fiber into a regular (undoped) optical fiber line. The doped fiber is optically pumped with a second laser wavelength that is coupled into the line in...

Optically variable ink (OVI), also called color shifting ink, is an anti-counterfeiting measure used on many major modern banknotes, as well as on other...

The BGM-71 TOW ("Tube-launched, Optically tracked, Wire-guided", pronounced /ˈtoʊ/) is an American anti-tank missile. First produced in 1968, TOW is one...

Optical sectioning is the process by which a suitably designed microscope can produce clear images of focal planes deep within a thick sample. This is...

essential laser-device component). His notebook included a diagram of an optically pumped laser. It also contained the first recorded use of the term "laser...

In physics, optically stimulated luminescence (OSL) is a method for measuring doses from ionizing radiation. It is used in at least two applications:...

bonded to a second, equally thin but blank, disc using UV-curable Liquid optically clear adhesive, forming a DVD disc. This leaves the data in the middle...

An optical variable device or optically variable device (OVD) is an iridescent or non-iridescent security feature that exhibits different information,...

both terrestrial and marine origin became more widespread. Optical dating using optically stimulated luminescence (OSL) was developed in 1984 by David...

classified as "optical activity". Optical activity is reciprocal, i.e. it is the same for opposite directions of wave propagation through an optically active...

non-even surfaces Superior optical properties Durability LOCA follows traditional die-cut film adhesives, also known as optically clear adhesives (OCA tape)...

(/ɪˈnænti.əmər, ɛ-, -oʊ-/ ih-NAN-tee-ə-mər), also known as an optical isomer, antipode, or optical antipode, is one of a pair of molecular entities which are...

Optically active additive (OAA) is an organic or inorganic material which, when added to a coating, makes that coating react to ultraviolet light. This...

The optical properties of a material define how it interacts with light. The optical properties of matter are studied in optical physics (a subfield of...

Zenni Optical (formerly 19dollareyeglasses.com) is an American online retailer of prescription glasses and sunglasses. Founded in 2003 by Tibor Laczay...

In physics, optical depth or optical thickness is the natural logarithm of the ratio of incident to transmitted radiant power through a material. Thus...

satellites. The vast majority of the world's oceans by area are optically deep. Optically deep water can still be relatively shallow water in terms of total...

is observed in many non-linear optical systems. One of the most common examples is an optical ring resonator. Optical chaos was a field of research in...

some techniques allow them to be used with analog signals. The value of optically coupling a solid state light emitter to a semiconductor detector for the...

An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode (LED), and a light detector, such as an array of photodiodes...

army as late as 1975. In the present day a variety of electronic systems optically transmit and receive information carried by pulses of light. Fiber-optic...

the distances between cities. The multiplication is performed optically by using an optical correlator. Many computations, particularly in scientific applications...

cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to...

electromagnetically interacting microcavities or "photonic atoms"." "Optically coupled microcavities have emerged as photonic structures with promising...

Sergei; Berglund, Lars (2018). "Optically Transparent Wood: Recent Progress, Opportunities, and Challenges". Advanced Optical Materials. 6 (14) 1800059. doi:10...

between atoms. Diffraction effects limit the ability of an optical detector to optically resolve separate light sources. In general, light that is passing...

ceramic composed of aluminium, oxygen and nitrogen. Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet, visible...

in which clusters of ligand coated nano-particles are both optically trapped and optically detected after target molecule induced clustering was proposed...

transparent conductive coatings is indium tin oxide (ITO). ITO is not very optically transparent, however. The layers must be thin to provide substantial transparency...

In visual perception, an optical illusion (also called a visual illusion) is an illusion caused by the visual system and characterized by a visual percept...

Cinerama's Russian Adventure (1966) optically converted from Kinopanorama to 70 mm Cinerama This Is Cinerama (1972) – optically converted from Cinerama to 70 mm...

An optical mount is a device used to join a normal camera and another optical instrument, such as a microscope or telescope. The optical mount is generally...

aberration is a property of optical systems, such as lenses and mirrors, that causes the image created by the optical system to not be a faithful reproduction...

A diffractive optically variable image device (DOVID) is a type of optical variable device; a security feature based on visual effects created by diffraction...

It is a device for measuring changes in the dimensions of a specimen, optically, the achieved resolution can result in greater values than those of a...

complete lens assembly while the magnification of the lens changes) or optically (arranging the position of the focal plane to vary as little as possible...

the bonds if they are rubbed during handling. To reduce this, edges of optically bonded displays should be covered or configured so that edges are not...

thyristor (LTT) has an optically sensitive region in its gate, into which electromagnetic radiation (usually infrared) is coupled by an optical fiber. Since no...

Optical phenomena are any observable events that result from the interaction of light and matter. All optical phenomena coincide with quantum phenomena...

An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion...

Photonics Encyclopedia on fiber amplifiers and Raman amplifiers Current Trends in Unrepeatered Systems including ROPA Remote Optically-Pumped Amplifier...

1038/221527a0. S2CID 4295264. Shearer, A.; Golden, A. (2022). "Why study pulsars optically?". Proceedings of the 270. WE-Heraeus Seminar on Neutron Stars, Pulsars...

with the target (such as iron sights on firearms), or optical instruments that provide an optically enhanced—often magnified—target image aligned in the...

written to an optical disc, disk sector by disc sector, including the optical disc file system. ISO images contain the binary image of an optical media file...

In optics, optical path length (OPL, denoted Λ in equations), also known as optical length or optical distance, is the vacuum length that light travels...

stimulated emission can take place and the medium can act as a laser or an optical amplifier. The pump power must be higher than the lasing threshold of the...

electromagnetic (optical) and the electrical (electronic) states of materials. The electro-optic effect is a change in the optical properties of an optically active...

spinning optical disc. An older example of optical storage that does not require the use of computers, is microform. There are other means of optically storing...

Optical microspheres (photonic atoms) are one of the types of optical microresonators (also microcavities) employed commonly in photonic research; they...

specifications relate to the characteristics of the telescope and how it performs optically. Several properties of the specifications may change with the equipment...

An optical isolator, or optical diode, is an optical component which allows the transmission of light in only one direction. It is typically used to prevent...

An optical jukebox is a robotic data storage device that can automatically load and unload optical discs from drives, such as CD, DVD, Blu-ray, or UDO...

The optical window is the portion of the optical spectrum that is not blocked by the Earth's atmosphere. The window runs from around 300 nanometers (ultraviolet-B)...

Optically stimulated luminescence (OSL) thermochronometry is a dating method used to determine the time since quartz and/or feldspar began to store charge...

holography techniques, or by using the superpixel method. The image on an optically addressed spatial light modulator, also known as a light valve, is created...

conventional optical microscopy contributed significantly to the development of near-field optical devices, most notably the near-field scanning optical microscope...

microscope, telescope, or binoculars. Optically, defocus refers to a translation of the focus along the optical axis away from the detection surface....

suitable for manufacturing optical lenses, prisms, and optoelectronics materials. Extruded glass fibres have applications as optical fibres in communications...

In physics, optically detected magnetic resonance (ODMR) is a technique for detecting quantum systems with spin-dependent optical transitions. In the...

There are various classifications of the electro-optical modes of liquid crystal displays (LCDs). The operation of TN, VA and IPS-LCDs can be summarized...

Optical character recognition (OCR) or optical character reader is the electronic or mechanical conversion of images of typed, handwritten or printed text...

A flat-spectrum radio quasar, also known as a optically violent variable quasar or OVV quasar, is a type of highly variable quasar. It is a subtype of...

Nintendo optical discs are physical media used to distribute video games on three of Nintendo's consoles that released between 2001 and 2012. Manufactured...

instrument used to measure optical rotation: the angle of rotation caused by passing linearly polarized light through an optically active substance. Some...

energy flow. Rays are used to model the propagation of light through an optical system, by dividing the real light field up into discrete rays that can...

up the majority of the mass of galaxy clusters, but cannot be detected optically. As galaxy clusters form, massive amounts of energy are released due to...

perpendicular to the optic axis, although the crystal as a whole remains optically anisotropic. The internal structure of crystals (the specific structure...

An optical turnstile (also called a speed gate) is a type of turnstile designed to restrict or control access to a building or secure area. Optical turnstiles...

Optical units are dimensionless units of length used in optical microscopy. They are used to express distances in terms of the numerical aperture of the...

occurrence of events. More specifically, an optical buffer serves to store data that was transmitted optically (i.e., in the form of light), without converting...

independently operated mixing stations. The eight tracks were then recorded optically onto 35-mm film, with a ninth track adding tempo for Disney's artists...

includes optical engineering, fiber optics and optical communications, lasers and laser optics, nonlinear optics, integrated optics, optical and photonic...

amateur astronomers are likely to see through their telescopes. This is the optically brightest quasar in the sky from Earth with an apparent visual magnitude...

In optical physics, laser detuning is the tuning of a laser to a frequency that is slightly off from a quantum system's resonant frequency. When used...

The Frank Isakson Prize for Optical Effects in Solids is a prize that has been awarded every second year by the American Physical Society since 1980....

panel of the banknote was printed in embedded fluorescent fibres and optically variable ink. Since 2005, additional security features (including machine-readable...

An optical flat is an optical-grade piece of glass lapped and polished to be extremely flat on one or both sides, usually within a few tens of nanometres...

diffraction from the optical system's aperture; diffraction is the ultimate limit to the light focusing ability of any optical system. Aberrations tend...

circuits, optical interconnects refers to any system of transmitting signals from one part of an integrated circuit to another using light. Optical interconnects...

subject to fading upon prolonged exposure to UV, due to the formation of optically inactive cis-stilbenes. They are also degraded by oxygen in air, like...

included with most operating systems). Optical networking is a sophisticated infrastructure that utilises optical fibre to transmit data over long distances...

consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system. These are the focal points, the principal...

crystals can be used as optical amplification media, where Er3+ ions are optically pumped at around 980 or 1480 nm and then radiate light at 1530 nm in stimulated...

condensed matter, specifically in solids and some liquids. In the context of optically trapped objects, the quantized vibration mode can be defined as phonons...

conversion, by heat or by chemical reaction, of an optically active compound into a racemic (optically inactive) form. This creates a 1:1 molar ratio of...

of Photographic Instrumentation Engineers, later the Society of Photo-Optical Instrumentation Engineers) is an international not-for-profit professional...

The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics is an academic journal recognized by the European Physical Society, presenting...

demonstrated optical communications to and from Earth using the Orion Artemis II Optical Communications System (O2O), which uses laser beams. Such an optical system...

Feng; Narayan, Ramesh (September 2004), "On the Nature of X-Ray-Bright, Optically Normal Galaxies", The Astrophysical Journal, 612 (2): 724–728, arXiv:astro-ph/0401117...

Optical materials are transparent materials from which optical lenses, prisms, windows, waveguides, and second-surface mirrors can be made. They are required...

Optical performance monitoring (OPM) is used for managing high capacity dense wavelength-division multiplexing (DWDM) optical transmission and switching...

comparison of optical clocks across six countries was reported — marking a major step towards establishing a global optical-time standard. Optical atomic clocks...

An optical cavity, resonating cavity or optical resonator is an arrangement of mirrors or other optical elements that confines light waves similarly to...

nonlinearities in the optical behaviour of a material, i.e. the motion of bound electrons, field-induced vibrational or orientational motions, optically-induced acoustic...

amplitude of an electronic signal. Optical attenuator, an electronic device that reduces the amplitude of an optical signal. Attenuator (genetics), a specific...

Optical networking is a means of communication that uses signals encoded in light to transmit information in various types of telecommunications networks...

List of largest optical reflecting telescopes – List of large optical telescopes List of largest optical refracting telescopes List of space telescopes...

Optical spaces are mathematical spaces, often endowed with coordinate systems, that facilitate the modelling of optical systems as mathematical transformations...

such as in the deuterated benzyl alcohol PhCHDOH; which is chiral and optically active ([α]D = 0.715°), even though the non-deuterated compound PhCH2OH...

president of the Optical Society of America in 1974. Optical Society of America § Past Presidents of the OSA "Past Presidents of the Optical Society of America"...

Optical 88 (Chinese: 眼鏡88) is a chain of eyewear stores in Hong Kong. In 1984, the predecessor of Optical 88, a group of optometrists, established EyeCare...

Such lasers are not electrically driven but optically driven and therefore still necessitate a further optical pump laser source. Photonics is the science...

is a distributed amplitude of color(s). In optics, the term image (or optical image) refers specifically to the reproduction of an object formed by light...

superluminescence is light, produced by spontaneous emission, that has been optically amplified by the process of stimulated emission in a gain medium. It is...

analogue optical track technology has also changed: in the early years of the 21st century, distributors changed to using cyan dye optical soundtracks...

Recoating is the process of restoring the primary coating to stripped optical fiber sections after fusion splicing. In the recoating process, the spliced...

JORDY or Joint Optical Reflective Display is an optical viewing device developed based on NASA technology. It is used to help the visually impaired see...

biologics manufacturing, magnetic tape data storage, optical films for flat-panel displays, optical devices, photocopiers, printers, digital cameras, color...

depends on the fact that optical activity is actually circular birefringence. In other words, a substance which is optically active transmits right circularly...

Optically transparent materials focus on the response of a material to incoming light waves of a range of wavelengths. Frequency selective optical filters...

Optical flow or optic flow is the pattern of apparent motion of objects, surfaces, and edges in a visual scene caused by the relative motion between an...

the field of optical and electro-optical instrumentation. Their objective is to develop products like night vision devices, electro-optical surveillance...

Programmable photonics is a subfield of photonics and optical computing that studies the development of photonic integrated circuits (PICs) for computation...

the Lagrange invariant is a measure of the light propagating through an optical system. It is defined by H = n u ¯ y − n u y ¯ {\displaystyle H=n{\overline...

Sony's Cyber-shot product line, in addition to SteadyShot INSIDE (SSI) and Optical SteadyShot (OSS) in the Sony α family. When a camera is operated hand-held...

tracing of light through an optical system (such as a lens). A paraxial ray is a ray that makes a small angle (θ) to the optical axis of the system, and lies...

Optical chip may refer to: An integrated circuit that acts as the electrical-optical interface for fiber-optic communication A vision chip which combines...

foreground opaque. Next, a three-layer sandwich of film is run through an optical printer. On the bottom is the unexposed copy film. Above it is the first...

Optical manufacturing and testing is the process of manufacturing and testing optical components. It spans a wide range of manufacturing procedures and...

Target Optical is an optical company in the United States. It operates optical stores inside Target stores in the United States, under a licensing agreement...

come to believe that features smaller than 1 micron could not be printed optically. Modern techniques using excimer laser lithography already print features...

include optical transceivers, optical engines, active optical cables, optical components, optical instrumentation, ROADM & wavelength management, optical amplifiers...

Communications Conference) Optical amplifier Optical communication Optical fiber Optical interconnect Opto-electronic oscillator Parallel optical interface Photoemission...

(WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors)...

compound with the formula LaAlO3, often abbreviated as LAO. It is an optically transparent ceramic oxide with a distorted perovskite structure. Lanthanum...

Interface by the Optical Internetworking Forum (OIF) for connecting a synchronous optical networking (SONET) framer component to an optical serializer/deserializer...

An optode or optrode is an optical sensor device that optically measures a specific substance usually with the aid of a chemical transducer. An optode...

separate left and right circularly polarized light beams through the same optical fiber. Polarization techniques have long been used in radio transmission...

vertical components of the QR image. Whereas a barcode is a machine-readable optical image that contains information specific to the labeled item, the QR code...

Optical format is a hypothetical measurement approximately 50% larger than the true diagonal size of a solid-state photo sensor. The use of the optical...

developments in the optical sector, changes to legislation affecting optometrists and optical professionals, developments in the optical business and retail...

Independent. Archived from the original on 13 July 2019. Retrieved 10 May 2015. "Optical illusion: Dress color debate goes global". BBC News. BBC. Archived from...

optical attenuator, or fiber optic attenuator, is a device used to reduce the power level of an optical signal, either in free space or in an optical...

An image scanner (often abbreviated to just scanner) is a device that optically scans images, printed text, handwriting, or an object and converts it...

research on optical vortices, the optical vortex coronagraph, optical lift, and diffractive solar sails. He is a Fellow of Optica (formerly the Optical Society...

from the original on 19 September 2020, retrieved 24 October 2020 Optical Course, OpticalCourse.com, retrieved 7 May 2014 Cable Temples, archived from the...

of optical communication for transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber...

Hóng Jiàn-8; lit. 'Red Arrow-8') is a second generation tube-launched, optically tracked, wire-guided anti-tank missile system which was originally deployed...

An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification...

behaviour of a simultaneously geometrically thick and optically thin ring. The γ ring is narrow, optically dense and slightly eccentric. Its orbital inclination...

individual dots or patches that interact optically. By requiring the viewer to combine the colors optically instead of physically mixing pigments, Divisionists...

City Monitor. Retrieved 4 November 2022. "Debunking the myths around the optically-guided bus (trackless trams)". sydney.edu.au. The University of Sydney...

technology is a light optical process of fluorescence microscopy which allows position, distance and angle measurements on "optically isolated" particles...

Link) is a standardized optical fiber connector system. Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in...

direction of wave propagation relative to the direction of change in speed. Optical prisms and lenses use refraction to redirect light, as does the human eye...

into a star's surface until the plasma becomes opaque, equivalent to an optical depth of approximately 2⁄3, or equivalently, a depth from which 50% of...

audio optical disc is an optical disc that stores sound information such as music or speech. It may specifically refer to: Compact disc (CD), an optical disc...

Optical engineering is the field of engineering encompassing the physical phenomena and technologies associated with the generation, transmission, manipulation...

In optical testing a Ronchi test is a method of determining the surface shape (figure) of a mirror used in telescopes and other optical devices. In 1923...

or a phonon. Optical decay is dominant mechanism of quenching of excitation of active optical media. In solid-state lasers the optical decay limits the...

number panel of the banknote is printed in embedded fluorescent fibers and optically variable ink. Since 2005 additional security features like machine-readable...

An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an...

SDSS J120136.02+300305.5 is an optically inactive, quiescent galaxy that possibly contains a milliparsec supermassive black hole binary. X-ray fluxes...

humidity and heat. Polarizing sheets are used in liquid-crystal displays, optical microscopes and sunglasses. Since Polaroid sheet is dichroic, it will absorb...

estimating optical flow is a global method which introduces a global constraint of smoothness to solve the aperture problem (see Optical Flow for further...

surrounds a person in religious art Halo (optical phenomenon), glory (optical phenomenon) or corona (optical phenomenon), phenomena where a ring of light...

earliest true telegraph put into widespread use was the Chappe telegraph, an optical telegraph invented by Claude Chappe in the late 18th century. The system...

Local Optical Committees are statutory bodies established within the British National Health Service to represent the interests of community optometrists...

(Sulu), respectively. This is also the only note for the series that uses optically variable ink. (OVI) At the lower left beside the OVI has the microprint...

such items as, optical power meters, optical light sources, optical loss test sets, optical test and inspection kits, variable optical attenuators, inspection...

Many ceramic materials, both glassy and crystalline, have found use as optically transparent materials in various forms: bulk solid-state components (phone...

An optical rectenna is a rectenna (rectifying antenna) that works with visible or infrared light. A rectenna is a circuit containing an antenna and a...

An optical interleaver is a 3-port passive fiber-optic device that is used to combine (Mux) two sets of dense wavelength-division multiplexing (DWDM)...

Optical film may refer to: Thin film optics, a branch of optics that deals with very thin structured layers of different materials Film, moving picture...

with a common motion. He is also the namesake of a catalog of compact, optically bright galaxies (including both starbursts and active galactic nuclei)...

OSIRIS (Optical Spectrograph and InfraRed Imager System) is an instrument that measures vertical profiles of spectrally dispersed, limb scattered sunlight...

geometrical, mechanical, and transmission attributes of a single-mode optical fibre and cable, developed by the Standardization Sector of the International...

optical multiple stars, which merely look close together when viewed from Earth. Multiple stars may refer to either optical or physical, but optical multiples...

that measure chemical and physical properties of materials, including optical sensors for refractive index measurement, vibrational sensors for fluid...

connecting lengths of electrical cables (electrical splice) or optical fibers (optical splice). The splices are often protected by sleeves. The splicing...

Coherent optical module refers to a typically hot-pluggable coherent optical transceiver that uses coherent modulation (BPSK/QPSK/QAM) rather than amplitude...

Optical feedback (OF) is an optical phenomenon that involves a part of the coherent emission light from a laser returns to the laser cavity. The effect...

Nullus in Wiktionary, the free dictionary. Null may refer to: Nuller, an optical tool using interferometry to block certain sources of light Null (SQL)...

behaviour of light rays in optical systems using the paraxial approximation, in which only rays that make small angles with the optical axis of the system are...

electromagnetic radiation where the wavelength is comparable to the size of the optical components (e.g. lenses, mirrors, and apertures) and hence diffraction...

An optical module is a typically hot-pluggable optical transceiver used in high-bandwidth data communications applications. Optical modules typically have...

test wall is calcareous, finely perforate; primary wall indistinctly optically radial, as the calcite crystals are dendritic in form and occur in bundles;...

1917. It claims to be the world's longest established optical trade body. Its members are optical companies involved in aspects of manufacturing, importing...

zero degrees are called 'optically inactive' chemicals and like water, they do not need to be considered when calculating optical rotation, outside of the...

optical instrument or system—a microscope, telescope, or camera—has a principal limit to its resolution due to the physics of diffraction. An optical...

compound or meso isomer is an optically inactive isomer in a set of stereoisomers, at least two of which are optically active. This means that despite...

Y. Y.; Butov, L. V.; Wilkes, J.; Hanson, M.; Gossard, A. C. (2014). "Optically controlled excitonic transistor". Applied Physics Letters. 104 (9): 091101...

founded a branch in New York that was to become the C. P. Goerz American Optical Company in 1905. This company continued to operate independently in the...

In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors...

Optical disc packaging is the packaging that accompanies compact discs, DVDs, and other formats of optical discs. Most packaging is rigid or semi-rigid...

England) is considered a pioneer in the Optical Search For Extraterrestrial Intelligence, also known as Optical SETI (OSETI). While traditional SETI efforts...

of optical elements remains stable over time. Many optical systems require that vibration of optical elements be kept small. As a result, optical tables...

Stripping is the act of removing the protective polymer coating around optical fiber in preparation for fusion splicing. The splicing process begins by...

this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum...

that falls on them and reflect little of it; such materials are called optically transparent. Many liquids and aqueous solutions are highly transparent...

extinction ratio (re) is the ratio of two optical power levels of a digital signal generated by an optical source, e.g., a laser diode. The extinction...

waves and signals in electrical circuits, in optical fibers, and in air. Electrical attenuators and optical attenuators are commonly manufactured components...

Therefore the optical power of the measurement arm is directly proportional to the electrical power and electrical signals from optical interferometry...

In physics, the optical theorem is a general law of wave scattering theory, which relates the zero-angle scattering amplitude to the total cross section...

Alexander V.; Klar, Thomas A. (2018-09-19). "Power Balance and Temperature in Optically Pumped Spasers and Nanolasers". ACS Photonics. 5 (9): 3695–3703. Bibcode:2018ACSP...

said to be “optically active”. Specific rotation is an intensive property, distinguishing it from the more general phenomenon of optical rotation. As...

cannot, by definition, be optically transfected (only optically injected). Photoporation (or any derivations of [laser-] or [optical-] or [opto-] or [photo-]...

number panel of the banknote is printed in embedded fluorescent fibers and optically variable ink. Since 2005 additional security features like machine-readable...

An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals (a form of optical...

object interacts. For example, the term subwavelength-diameter optical fibre means an optical fibre whose diameter is less than the wavelength of light propagating...

In optics, an optical medium is material through which light and other electromagnetic waves propagate. It is a form of transmission medium. The permittivity...

in holographic data storage. Polarization-sensitive photodetectors use optically anisotropic materials to detect photons of a desired linear polarization...

RONJA (Reasonable Optical Near Joint Access) is a free-space optical communication system developed in the Czech Republic by Karel Kulhavý of Twibright...

The High Energy Laser with Integrated Optical-dazzler and Surveillance (HELIOS) or Mk 5 Mod 0 HELIOS is a Lockheed Martin-developed 60 kilowatt high-energy...

radius may be affected by magnetic torque. Additionally, they tend to be optically thick and bright due to electron scattering and absorption. Thin disks...

The Tower Optical Company is a small, Norwalk, Connecticut-based company which has manufactured a binocular viewers used at major tourist sites in the...

of wavelength-division multiplexing, an alien wavelength is a "colored" optical signal that is originated from equipment not under the direct control of...

discharges. Sprites are associated with various other upper-atmospheric optical phenomena including blue jets and ELVES. A sprite at the horizon, with...

use methods such as monitoring electromagnetic radiation, searching for optical signals, and investigating potential extraterrestrial artifacts for any...

An electro-optical targeting system (EOTS), is a system employed to track and locate targets in aerial warfare. It can use charge-coupled device, TV cameras...

Optical Materials is a peer-reviewed scientific journal that publishes original papers and review articles on the design, synthesis, characterisation...

Crown glass is a type of optical glass used in lenses and other optical components. It has a relatively low refractive index (≈1.52) and low dispersion...

the world's highest located sites for optical, infrared, and gamma-ray telescopes. It is the tenth-highest optical telescope in the world. The Indian Astronomical...

polarizes the atoms. An orthogonal probe beam detects the precession using optical rotation of linearly polarized light. In a typical SERF magnetometer, the...

amplifiers. Late in the 20th century, all cables installed use optical fiber as well as optical amplifiers, because distances range thousands of kilometers...

comprise the so-called five dimensions. The concept is to store data optically in non-photosensitive transparent materials such as fused quartz, which...

coming from the solar corona and transition region, where the plasma is optically-thin. On the contrary, in the chromosphere, where the temperature decreases...

The Optical Confederation is a British trade association launched in April 2010. It is said to help the optometric profession to "punch well above its...

The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in...

(born 1975, Australia) is a physicist who researches in quantum optics, optical quantum metrology and quantum information science. He co-founded and is...

Optical conductivity is the property of a material which gives the relationship between the induced current density in the material and the magnitude...

This creates an optical virtual private network for each client signal. ITU-T defines an optical transport network as a set of optical network elements...

it is available as an RS model, which is technically the same, only optically upgraded and painted in different colors. "Kisbee RS". Peugeot Scooters...

Sterling Optical is an American franchised retail optical chain headquartered in New York, New York. Its parent company is Emerging Vision, whose CEO is...

by Gunvor Nelson. It uses footage of her daughter Oona that has been optically printed, with Oona's voice used for the soundtrack. The film was selected...

it began to manufacture microscopes. Later that year, the Bausch & Lomb Optical Company won a distinction at the Philadelphia Centennial Exposition. The...

An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled—elements...

Shohei Hashiguchi, Kunihiko Murata, Ryōji Noyori (2005). "Preparation of Optically Active (R,R)-Hydrobenzoin from Benzoin or Benzil". Organic Syntheses....

photoelasticity (16 September 1822), elliptical and circular polarization and optical rotation (9 December), and partial reflection and total internal reflection...

Thirds system format DSLR cameras, but replaces the complex optical path needed for the optical viewfinder with an electronic viewfinder EVF displaying a...

Matt Quinn, known by his stage name Optical, is a British musician, producer and DJ. He is co-founder and owner of Virus Recordings, a widely regarded...

An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical...

needing the effect. The original footage was spliced mid-shot with the optically printed portion, often resulting in an obvious change in image quality...

sequence of polynomials that are orthogonal on the unit disk. Named after optical physicist Frits Zernike, laureate of the 1953 Nobel Prize in Physics and...

engineering. This technique is called nanoprobing. In bioimaging, nanoprobes are optical devices that provide contrast and spatial resolution at the nanoscale....

geometrical, mechanical, and transmission attributes of a single-mode optical fibre and cable, developed by the Standardization Sector of the International...

An optical mesh network is a type of optical telecommunications network employing wired fiber-optic communication or wireless free-space optical communication...

One family of standards known as Ethernet passive optical network (EPON) uses a passive optical network. With wide, metro, and local area networks using...

signals on videotape, digitally in video tape or as computer files stored on optical discs, hard drives, SSDs, magnetic tape or memory cards instead of film...

Wollensak Optical was an American manufacturer of audio-visual products located in Rochester, New York. At the height of their popularity in the 1950s...

icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore pseudo-cubic. Goniometric measurements made...

The I. I. Rabi Prize in Atomic, Molecular, and Optical Physics is given by the American Physical Society to recognize outstanding work by mid-career researchers...

nonlinear optical effect where one wavelength of light can affect the phase of another wavelength of light through the optical Kerr effect. When the optical power...

Optical Mechanics, Inc. or OMI is a high-end American telescope and optics instrument manufacturer. OMI was founded in 2002 and produces observatory telescopes...

storage is optical disc storage where the magnetic state on a ferromagnetic surface stores information. The information is read optically and written...

derivatives. Aside from the reticle, it is the same mechanically and optically as the M145 Machine Gun Optic. An optic designated as M/98 for the Danish...

Optical radiation is the part of the electromagnetic spectrum with wavelengths between 100 nm and 1 mm. This range includes visible light, infrared light...

Optical path (OP) is the trajectory that a light ray follows as it propagates through an optical medium. The geometrical optical-path length or simply...

discovered by many individuals. Its supernova remnant has been observed optically but was first detected at radio wavelengths. It is often known as 3C 10...

An optical circulator is a three- or four-port optical device designed such that light entering any port exits from the next. This means that if light...

Recon Optical (Recon/Optical, Inc. or ROI) was a privately held defense contractor providing electro-optical and stabilization products. Founded in 1922...

through a communications channel, such as optical transceivers which transmit and receive light in optical fiber systems, and bus transceivers which transmit...

In optics, optical power (also referred to as dioptric power, refractive power, focal power, focusing power, or convergence power) is the degree to which...

stability in optomechanical systems. This is done by minimizing variations in optical performance over a range of temperatures. Optomechanical systems are typically...

optical splitters in series (cascaded). Unlike traditional point-to-point fiber connections, PON systems distribute optical signals from an optical line...

silent-standard gate and slightly optically recentering the lens port (to adjust for the inclusion of the area of the optical soundtrack – the gray track on...

the sensor of the "R" version includes an optical filter that cancels out the effects of a standard optical low-pass filter. This distinction is roughly...

2019 Allen, Susan Davis (1971-08-01). "The circular dichroism of an optically active benzene chromophore :: University of Southern California Dissertations...

An optical neural network is a physical implementation of an artificial neural network with optical components. Early optical neural networks used a photorefractive...

Sunny Optical Technology (Group) Company Limited, known as Sunny Optical or just Sunny is a Chinese civilian-run enterprise and listed company that produces...

facilitate typing numbers. Optically projected keyboard layouts or similar arrangements of "keys" or sensing areas Optically detected human hand and finger...

_{d}={\frac {\lambda }{\nu }}\Delta f} where λ {\displaystyle \lambda } is the optical wavelength and ν {\displaystyle \nu } is the velocity of the acoustic wave...

size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm...

amplifier in a telephone line, an optical repeater is an optoelectronic circuit that amplifies the light beam in an optical fiber cable; and a radio repeater...

1881 — June 30, 1969) was an American physicist and president of the Optical Society of America. Forsythe received his bachelor's degree from Denison...

equivalent to angular magnification (this should not be confused with optical power, which is a different quantity). The magnifying power is the ratio...

GKB Opticals is an Indian retailer of optical products and operates a chain of retail stores in India. The company was founded by Brijendra Kumar Gupta...

Specsavers Optical Group Limited is a Guernsey-based multinational optical retail chain, which operates mainly in the UK, Ireland, Australia, New Zealand...

A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') is an optical phenomenon produced by light (typically from the Sun or Moon) interacting...

Optical pumping is a process in which light is used to raise (or "pump") electrons from a lower energy level in an atom or molecule to a higher one. It...

Optical contrast seekers, or simply contrast seekers, are a type of missile guidance system using a television camera as its primary input. The camera...

Optical toys form a group of devices with some entertainment value combined with a scientific, optical nature. Many of these were also known as "philosophical...

Optical tomography is a form of computed tomography that creates a digital volumetric model of an object by reconstructing images made from light transmitted...

mineral optical and chemical properties. The figures are produced by optical interference when diverging light rays travel through an optically non-isotropic...

150-450mm F4.5-5.6 ED DC AW is a super-telezoom lens for Pentax K-mount. Optically, it features extra-low dispersion (ED) elements as well as HD, SP (Super...

waves. Thus, an optical fiber or a copper cable is used as transmission media. Electromagnetic radiation can be transmitted through an optical medium, such...

confined to a waveguide, and also in light waves in an optical fiber and in a laser's optical resonator. Transverse modes occur because of boundary conditions...

dynamically created by light interference on optically resonant materials and rely on population inversion and/or optical coherence properties of the material...

orientation in which the instrument produces poor or no measurements. All optically pumped, proton-free precession, and Overhauser magnetometers experience...

Herwig Kogelnik (born June 2, 1932) is an Austrian-American electrical and optical engineer. He is best known for his fundamental contributions to the developments...

The compact disc (CD) is a digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs...

An optical filter is a device that selectively transmits light of different wavelengths, usually implemented as a glass plane or plastic device in the...

spread-spectrum time-domain reflectometry. The equivalent device for optical fiber is an optical time-domain reflectometer. Time-domain transmissometry (TDT)...

Quantum optics is a branch of atomic, molecular, and optical physics and quantum chemistry that studies the behavior of photons (individual quanta of...

deep hologram. The objects that form the scene must, in general, have optically rough surfaces so that they scatter light over a wide range of angles...

graduated with honors in 1949. Since 1948, he worked in the Optical Computing Office of the Optical and Mechanical Plant No. 357 "Progress". He rose from the...

Optical clocks are a subset of atomic clocks and are based on transitions that emit electromagnetic radiation in the range of 200 nm to 1000 nm. Like...

An optical baffle is an opto-mechanical construction designed to block light from a source shining into the front of an optical system and reaching the...

pictures it records is 16.1 megapixels, through its 24mm lens. 5X wide angle optically stabilized zoom 13 in-camera creative effects 3HD video capture Panasonic...

material for optical waveguides, mobile phones, piezoelectric sensors, optical modulators and various other linear and non-linear optical applications...

acid features a pair of thiol groups, and therefore is a dithiol. It is optically active, but only the R-enantiomer is biochemically significant. The lipoic...

OPTOS (optical properties of textured optical sheets) is a simulation formalism for determining optical properties of sheets with plane-parallel structured...

Hakim Optical Lab Ltd. is a Canadian optical chain, the largest privately owned optical chain in Canada. In 2016, it had about 160 stores. Karim Hakimi...

overcame the optical shortcomings of 17th-century objective lenses, etc. Optical telescopes can be classified by three primary optical designs (refractor...

(for example, a "vitreous greasy" lustre). Some minerals exhibit unusual optical phenomena, such as asterism (the display of a star-shaped luminous area)...

that occurs within a single mode optical fiber. This dispersion mechanism is a result of material properties of optical fiber and applies to both single-mode...

Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors. Unlike window glass...

medium, the simplest instance being free space. Optics Optical isotropy means having the same optical properties in all directions. The individual reflectance...

In stereochemistry, mutarotation is the change in optical rotation of a chiral material in a solution due to a change in proportion of the two constituent...

light scattering for optically soft spheres. The anomalous diffraction approximation for extinction efficiency is valid for optically soft particles and...

The Target Identification System Electro-Optical (TISEO) is the Target identification device used in the F-4 Phantom and F-14 Tomcat that provides sharp...

electron-vibration interaction at specific energies that can also measure optically forbidden transitions. Inelastic neutron scattering is similar to Raman...

An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. Such repeaters are used to extend the...

of Optical Communications and Networking is a peer-reviewed scientific journal co-published monthly by Optica and IEEE. It covers advances in optical networking...

An optical train, also called an optical assembly, is an arrangement of optical components (e.g. lenses, mirrors, prisms) to guide a line of sight and/or...

generated by typewriter keys. An optical keyboard technology utilizes light-emitting devices and photo sensors to optically detect actuated keys, offering...

The American Optical Company, also known as AO-Eyewear, is an American luxury eyewear and sunglass company based in Vernon Hills, Illinois, near Chicago...

filter, producing a non-linearity effect not found in piezoelectric or optical transducers. Pickups are usually designed to feed a high input impedance...

influences the electronic structure of semiconductors and, therefore, their optical band gaps. In a regular semiconductor crystal, the band gap is fixed owing...

sound track or digital sound track, and may record the signal either optically or magnetically. Earlier technologies were sound-on-disc, meaning the...

aperture Interference pattern from two-slit diffraction Two-slit diffraction Optical diffraction pattern Colors in a spider web due to diffraction, The effects...

reflectance, an AOP, will change with changes in the optical properties and concentrations of the optically active substances in the water. Properties and concentrations...

measured electronically, or a mechanical displacement may be measured optically. Compensation for temperature effects is necessary. Its use as a miniaturized...

The Magnetic Hill is a Canadian gravity hill, a type of optical illusion created by rising and descending terrain. It is located at the northwestern edge...

similar size, their cumulative effect is seen as colours. The cloud must be optically thin, so that most rays encounter only a single droplet. Iridescence is...

including LEDs, semiconductors, computer chassis, monitors, motherboards, optical disc drives, and other electronic components. The Lite-On group also consists...

the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These optically anisotropic...

praised the lens for its sharpness, low distortion and weatherproof, optically stabilised design, while also drawing attention to its vignetting of up...

size, of something. This enlargement is quantified by a size ratio called optical magnification. When this number is less than one, it refers to a reduction...

Optical DownConverter (ODC) is an example of a non-linear optical process, in which two beams of light of different frequencies ω 1 {\displaystyle \omega...

and a kickstand supporting an angle of up to 165°. The screen is a 3:2 optically-bonded PixelSense 1800 × 1200 display with a density of 217 PPI and a...

1st Space Operations Squadron at Schriever AFB, Colorado. SYERS 2 is an optical and infrared camera with a 40 cm aperture and a field of view larger than...

An optical ground wire (also known as an OPGW or, in the IEEE standard, an optical fiber composite overhead ground wire) is a type of cable that is used...

entrepreneur, and academic. He holds the J. E. Sirrine Endowed Chair of Optical Fiber and is a professor of materials science and engineering, electrical...

Optical Lithography Chris A. Mack, p. 37. C. A. Mack, Microlith. World, 9–4, 25 (2000) J. S. Petersen et al., Proc. SPIE 3546, 288 (1998). "Optical and...

dielectric permittivity tensor is diagonal. This effect occurs in most optically transparent dielectric materials (including liquids) under the influence...

luminous emittance). Knowledge of the SPD is crucial for optical-sensor system applications. Optical properties such as transmittance, reflectivity, and absorbance...

the Gazette. It was released on December 15, 2010, in two editions; the "Optical Impression" edition, "Auditory Impression" edition. The first edition has...

1822, is a quartic surface describing the propagation of light in an optically biaxial crystal. Wave surfaces are special cases of tetrahedroids which...

telescopes. Near-infrared is typically the longest wavelength that are handled optically, such as in some large telescopes. Wolter, H. (1952). "Glancing Incidence...

recognize small details with precision. Visual acuity depends on optical and neural factors. Optical factors of the eye influence the sharpness of an image on...

metal–oxide–semiconductor) technology. A more recent alternative approach is optical touch technology, based on image sensor technology. In computing, multi-touch...

Corporation is a Chinese optical corporation. The company produces and supplies optical components and subsystems. The company offers optical fiber connectors/adaptors...

Originally, it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope. Nowadays...

ophthalmologist, biomedical engineer, and inventor best known for co‑inventing optical coherence tomography (OCT), an imaging modality widely used in ophthalmology...

a type of rangefinder that uses the principle of triangulation and an optical device to allow an operator to determine the distance to a visible object...

bidirectional Ethernet reference point for Ethernet service delivery. The Optical Internetworking Forum defines a UNI software interface for user systems...

band, The Gazette. It was released on May 25, 2011 in two editions; the "Optical Impression" edition and "Auditory Impression" edition. The first edition...

at Stanford University. He is best known for his work on engineering optically and chemically controllable proteins. Lin graduated from Harvard University...

digital types, which include digital cameras, camera modules, camera phones, optical mouse devices, medical imaging equipment, night vision equipment such as...

the Gazette. It was released on November 12, 2008, in two editions; the "Optical Impression" edition and the "Auditory Impression" edition. The first includes...

much longer lifespan than videocassettes. Because the discs were read optically instead of magnetically, no physical contact needed to be made between...

An optical axis is an imaginary line that passes through the geometrical center of an optical system such as a camera lens, microscope or telescopic sight...

Stereophile.com". February 2013. Náfrádi, Bálint (24 November 2016). "Optically switched magnetism in photovoltaic perovskite CH3NH3(Mn:Pb)I3". Nature...

The Ontario Research and Innovation Optical Network (ORION) is a high-speed optical research and education network in Ontario, Canada. It connects virtually...

Army. The design never entered service, with the bullpup configured, optically sighted 5.56 mm F-88 Austeyr selected instead in 1989. List of bullpup...

It is a dark-colored manifestation of the corneal limbus resulting from optical properties of the region. The appearance and visibility of the limbal ring...

Telescopes with aperture diameter >8 metres This list of the largest optical reflecting telescopes with objective diameters of 3.0 metres (120 in) or...

location of the EOT peak such that the chemical binding events can be optically detected at a desired wavelength. EOT-based sensing offers one key advantage...

ray (also bound ray or trapped ray) is a ray of light in a multi-mode optical fiber, which is confined by the core. For step index fiber, light entering...

2014. Campbell, Iain Donald (1967). An electron spin resonance study of optically excited states. st-andrews.ac.uk (PhD thesis). University of St. Andrews...

American electrical and optical engineer at Futurewei Technologies in New Jersey, where she specializes in the standardization of optical communications networks...

provide this type of kerning. Optical kerning, on the other hand, is available only in the more advanced systems. With optical kerning, the program uses an...

Optica, founded as the Optical Society of America (later the Optical Society), is a professional society of individuals and companies with an interest...

including optically stimulated luminescence (OSL), cathodoluminescence (CL), and thermoluminescence (TL). Thermoluminescence and optically stimulated...

Optical resolution is the resolved detail of an imaging system by scale. An imaging system may have many individual components, including one or more...

Optica Fellow is a membership designation of Optica (formerly known as The Optical Society (OSA)) that denotes distinguished scientific accomplishment. The...

the Moon around its equilibrium position. Geometrical libration includes optical, parallax and diurnal types, while physical libration includes forced and...

The Museum of Optical Technologies functions as part of the St. Petersburg State University of Information Technologies, Mechanics and Optics (SPbSU ITMO)...

bottleneck List of device bandwidths Optical cable Optical communication Optical link Optoelectronics Parallel optical interface PCI Express Terabit Ethernet...

Optical lift is an optical analogue of aerodynamic lift, in which a cambered refractive object with differently shaped top and bottom surfaces experiences...

biointegration. Other methods, such as magnetic deformable membranes and optically coherent transcranial magnetic stimulation of the human retina are still...

wear. They are common in human interfaces such as digital multimeters. Optical: This uses a light shining onto a photodiode through slits in a disc, commonly...

refractive index (refractometer) or the angle of rotation of polarization of optically active sugars (polarimeter). Saccharimeters are used in food processing...

scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within...

telecommunications and optical sensors to nanophotonics and optical materials, including the introduction of the first optical fibre drawing tower in...

performs basic research in optical metrology, optical communication, new optical materials, plasmonics and nanophotonics and optical applications in biology...

shapes are sometimes used in optical devices. The most common non-spherical type are parabolic reflectors, found in optical devices such as reflecting telescopes...

coma (/ˈkoʊmə/), or comatic aberration, in an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens...

substance obtained from the oxidation of camphor. It exists in three optically different forms; the dextrorotatory one is obtained by the oxidation of...

wide release as optical reduction prints. All subsequent Todd-AO films were shot at 24 frames per second on a 65 mm negative and optically printed to 35 mm...

segment utilizes optical coating technology for anti-counterfeiting products, and other optics. The anti-counterfeiting products are Optically Variable Pigment...

connection. Optical signals can also be connected using blind mate connectors providing the capability to link fibre optics on a plug-in card to an optical backplane...

nanoplasmonics refers to the generation, detection, and manipulation of signals at optical frequencies along metal-dielectric interfaces in the nanometer scale. Inspired...

mass of 224 grams. It was replaced in 2006 by the LZ3. The camera has optical image stabilization, which alleviates camera shake problems. The camera...

in Wiktionary, the free dictionary. Focusing may refer to: Adjusting an optical system to minimize defocus aberration Focusing (psychotherapy), a psychotherapeutic...

source), A gain medium or laser medium, and Two or more mirrors that form an optical resonator. The pump source is the part that provides energy to the laser...

these being the Kerr electro-optic effect, or DC Kerr effect, and the optical Kerr effect, or AC Kerr effect. The Kerr electro-optic effect, or DC Kerr...

alternates to send the image to either a prism, which shows the image in the optical viewfinder, or the image sensor when the shutter release button is pressed...

a movable optical element that enables the optical system to shift the focus of the target image at varying distances into the same optical plane of the...

power of the signal reflected by a discontinuity in a transmission line or optical fiber. This discontinuity can be caused by a mismatch between the termination...

their Division of Atomic, Molecular & Optical Physics in 2008, for "seminal studies of ultra-cold atoms in optical lattices with applications to quantum...

connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. Serial ATA succeeded the earlier Parallel...

through or into solid objects. In reality, the spectacles merely create an optical illusion; no X-rays are involved. The current paper version is sold under...

Optics from the Optical Society (OSA) in 1997 for his contributions to the fields of non-linear optics, optical waveguide theory and optical holography. B...

optical guidance of the vehicles at the stations. Markings on the roadway and camera systems on the vehicles were used for docking. A similar optical...

Joan R. Najita is an American astronomer and Chief Scientist at National Optical Astronomy Observatory. She has been at NOAO since 1998. In 1993 she received...

An optical lattice is formed by the interference of counter-propagating laser beams, creating a spatially periodic intensity pattern. The resulting periodic...

uses point illumination (see Point Spread Function) and a pinhole in an optically conjugate plane in front of the detector to eliminate out-of-focus signal...

A toric lens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped...

Optical mapping is a technique for constructing ordered, genome-wide, high-resolution restriction maps from single, stained molecules of DNA, called "optical...

The kaleidophone is a "philosophical toy" that produces moving optical figures. The kaleidophone was invented by Charles Wheatstone, who published an...

single-mode emission from an optically pumped VECSEL. Numerous other companies and organizations worldwide have adopted the optically pumped architecture for...

short-range surface-to-air missile system. It is visually aimed, and utilizes optical/infrared-guidance. The system is primarily intended to engage low-altitude...

senator was done in record time, attributed partly to the use precinct count optical scanner voting machines; the voting machines were used in a national election...

Colored dissolved organic matter (CDOM) is the optically measurable component of dissolved organic matter in water. Also known as chromophoric dissolved...

Vancouver, WA. In 2021, Adtran entered into a business combination with ADVA Optical Networking, a cloud and mobile services networking company based in Munich...

in or around buildings, and dentist's mirrors. Mirrors are also used in optical and scientific apparatus such as telescopes, lasers, cameras, periscopes...

Floppy disk An optical disc or magneto-optical disc enclosed in a protective plastic sheath called a Caddy (hardware) Ultra Density Optical Universal Media...

devices with potential applications in optoelectronics, photonics and all-optical circuits. The first SRLs were developed in the 1980s. Recently, they have...

limited by the maximum range of sensor movement, where a typical modern optically-stabilized lens has greater freedom. Both the speed and range of the required...

An optical vortex (also known as an optical phase singularity, photonic quantum vortex, or screw dislocation) is a zero of an optical field; a point of...

although typefaces with optical sizes remain rare. The recent variable font technology further allows designers to include an optical size axis for a typeface...

afterglow is emitted, usually in the longer wavelengths of X-ray, ultraviolet, optical, infrared, microwave or radio frequencies. The intense radiation of most...

the first American spy satellite to use electro-optical digital imaging, and to offer real-time optical observations. Later KH-11 satellites have been...

Optical molasses (OM) is a laser cooling configuration that can produce extremely cold ensembles of neutral atoms. The temperatures can reach as low as...

β-Butyrolactone is the intramolecular carboxylic acid ester (lactone) of the optically active 3-hydroxybutanoic acid. It is produced during chemical synthesis...

wedge or Herschel prism is an optical prism used in solar observation to refract most of the light out of the optical path, allowing safe visual observation...

Optical wireless is the combined use of "optical" (optical fibre) and "wireless" (radio frequency) communication to provide telecommunication to clusters...

In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as...

transitions (also known as intraband transitions) are dipolar allowed optical excitations between the quantized electronic energy levels within the conduction...

film versions, and some are very different in style, such as "An Eye for Optical Theory", with a tempo more than double from its original in The Draughtsman's...

The Gazette. It was released on July 21, 2010 in three editions; the "Optical Impression" edition, "Auditory Impression" edition, and "Kuroshitsuji II:...

objectives are capable of producing the sharpest wide-field astrophotographs optically possible for the given aperture sizes. Graphic arts process (copy) cameras...

Optical Sounds is a Toronto based record label that was launched in 2008 by brothers Robert and Richard Gibson. The label is focused on a community of...

free dictionary. Prism usually refers to: Prism (optics), a transparent optical component with flat surfaces that refract light Prism (geometry), a kind...

video devices (AES70) Optically Clear Adhesives, bonding agents used for light-emitting devices like OLED and LEC; see Liquid optically clear adhesive Oracle...

Common types of waveguides include acoustic waveguides which direct sound, optical waveguides which direct light, and radio-frequency waveguides which direct...

includes research on Optical communications repeaters, which improve optical signal quality. Photonic integrated circuits (PICs) are optically active integrated...

The Optical Inter-orbit Communications Engineering Test Satellite (OICETS), also called Kirari, was an experimental satellite launched by JAXA to demonstrate...

particularly known for its unusual rheological (or flow) properties. It is optically clear and, in general, inert, non-toxic, and non-flammable. It is one...

is important in areas such as particle physics, atomic, molecular, and optical physics, nuclear physics and astrophysics. In particle physics the quantum...

Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously...

with Heinrich Otto Wieland). Examples of syntheses performed using the optically active enantiomer of this diketone as a starting material are that of...

The American Optical Company Historic District encompasses a historic industrial complex on the Quinebaug River in Southbridge, Massachusetts. Located...

blurring can be accomplished either optically or with digital postprocessing. Miniatures can be simulated optically by using lens tilt, although the effect...

inspection, and manually or automatically such as an automated optical inspection. Non-contact optical measurement and photogrammetry have become common NDT methods...

Etendue or étendue (/ˌeɪtɒnˈduː/) is a property of light in an optical system, which characterizes how "spread out" the light is in area and angle. It...

The Institute for Theoretical Atomic, Molecular and Optical Physics (ITAMP) is an international scientific learned society based at the Center for Astrophysics...

interferometers. In addition to the classical wave model for understanding optical interference, quantum matter waves also demonstrate interference. The above...

Optical mineralogy is the study of minerals and rocks by measuring their optical properties. Most commonly, rock and mineral samples are prepared as thin...

An optical link is a telecommunications link that consists of a single end-to-end optical circuit. A cable of optical fibers, possibly concatenated into...

isopropyl carbinol), contain stereocenters, and are therefore chiral and optically active. The most important amyl alcohol is isoamyl alcohol, the chief...

and particle physics; condensed matter physics; atomic, molecular, and optical physics; astrophysics; and applied physics. Some physics departments also...

an optical fibre or a change of the electrical voltage on a copper wire) passes through the medium, to the speed of light in vacuum. For optical signals...

short for Flexible Ethernet, is a communications protocol published by the Optical Internetworking Forum (OIF). The OIF published the FlexE Interoperability...

TIA-598-C Optical Fiber Cable Color Coding is an American National Standard that provides all necessary information for color-coding optical fiber cables...

A developer of optical scientific equipment is an individual who makes and adjusts optical aids for scientific purposes, including telescope optics and...

The Gazette. It was released on August 21, 2013 in two editions; the "Optical Impression" edition and "Auditory Impression" edition. The first edition...

of the scene versus diffraction), and on the performance of the lens. Optically, as a lens is stopped down, the defocus blur at the Depth of Field (DOF)...

A barcode reader or barcode scanner is an optical scanner that can read or scan printed barcodes and send the data they contain to a computer. Like a...

tool is the petrographic microscope. The detailed analysis of minerals by optical mineralogy in thin section and the micro-texture and structure are critical...

laboratory automation tools microfluidics, lab automation and liquid handling, optical imaging technologies, and services for drug discovery and drug development...

smaller than flat-topped (or bottomed) characters of equal height, due to an optical illusion. Felici, James (2011). The Complete Manual of Typography: A Guide...

first published in the United Kingdom in 1909 under the title Europe's Optical Illusion and republished in 1910 and subsequently in various enlarged and...

oblate optically thick disk with 1.4 AU radius, moving with a transverse velocity of approximately 0.005 km/s. It is unclear how such large optically thick...

modeling, spectroscopy, UV through IR optical signature analysis, tomography methods and analysis and electro-optical instrumentation development in support...

The Gazette. It was released on September 22, 2010 in two editions; the "Optical Impression" edition, "Auditory Impression" edition. The first includes...

An optical trackpad is an input device based on an optical sensor, which detects the displacement of a finger that is moving on top of it. The sensor...

Optical margin alignment outdents letters like A, V, W, Y, and punctuation into the margins to align the text border optically. Some users remark that...

Transitions Optical is a U.S.-based company known for manufacturing photochromic lenses, which darken on exposure to specific types of light. The company...

Plastic optical fiber (POF) or polymer optical fiber is an optical fiber that is made out of polymer. Similar to glass optical fiber, POF transmits light...

approach must be applied. Examples are arbitrarily aligned, optically uniaxial samples, or optically biaxial samples. There are typically two different ways...

resolution describes the ability of any image-forming device such as an optical or radio telescope, a microscope, a camera, or an eye, to distinguish small...

The DMC-FS3 has an additional “E.Zoom” (easy zoom) button that allows optically fully zooming in an out with one button press. The image browser, next...

RC Optical Systems was a high-end American telescope and optics manufacturer that specialized in Ritchey-Chrétien telescopes with hyperbolic mirrors....

Kabushiki-gaisha Tamuron) is a Japanese company manufacturing photographic lenses, optical components and commercial/industrial-use optics. Tamron Headquarters is...

Ulf Österberg is a Swedish-American physicist specializing in optical fibers, nonlinear optics, and ultrafast and THz spectroscopy. With Walter Margulis...

molecular, and optical (AMO) physics, an optical lattice clock is a type of atomic clock that uses neutral atoms confined in an optical lattice, which...

definition of optical space-borne telescopes and instruments. His technical specialties are optical physic, optics design, and optical system engineering...

Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha) was a Japanese camera and optical equipment manufacturer. Currently, it exists as Pentax Medical, a division...

WT (May 1971). "The antihistaminic and anticholinergic activities of optically active diphenhydramine derivatives. The concept of complementarity"....

announced in 2006, and was released in parallel with the TZ2. It has a 10× optical zoom with the focal range equivalent to 28–280 mm (35 mm film equivalent)...

optics and photography, infinity focus is the state where a lens or other optical system forms an image of an object an infinite distance away. This corresponds...

In optics, a diffuser (also called a light diffuser or optical diffuser) is any material that diffuses or scatters light in some manner to transmit soft...

function as an optical communications device without emitting its own optical power. This can allow the MRR to communicate optically over long distances...

stimulate external mediums. The generated pulses are typically electrical, optical, thermal, or mechanical in nature, though other manifestations are possible...

The optical transfer function (OTF) of an optical system such as a camera, microscope, human eye, or projector is a scale-dependent description of their...

seen, showing a polarization variation trend. With a diffuse patch of optical emission located at the intersection of the jet where a radio lobe is connected...

past the location of the secondary. Secondary mirrors in the form of an optically flat diagonal mirror are used to re-direct the light path in designs such...

An optical tracer is an X-Y tooling machine which utilises a photoeye to track toolpaths printed on a full-scale drawing and move a tool head accordingly...

In 1942, the company was renamed Takachiho Optical Industries, and in 1949 it was renamed Olympus Optical Co., Ltd. In 2003, the company adopted its current...

photoluminescence (which enables measurement of the electronic spin state using optically detected magnetic resonance), and its relatively long spin coherence at...

of substrate wafers Monolithically optically pumped VCSELs Two VCSELs on top of each other. One of them optically pumps the other one. VCSEL with longitudinally...

visual system is associated with the eye and functionally divided into the optical system (including cornea and lens) and the neural system (including the...

Cetus. It was discovered by William Herschel in 1890. Seen through an optical telescope it ranges up to 13th magnitude.[citation needed] RC3 D_25; R_25...

plastic wrap. DARPA plans to use membrane optics as part of its Membrane Optical Imager for Real-Time Exploitation (MOIRE) program. The program uses lightweight...

diameter of the optical ablation zone measured in millimeters, divided by three. For example, to change refraction by 4 diopters with an optical zone of 3 mm...

Schlieren photography is a process for photographing optical inhomogeneities in transparent media that are not necessarily visible to the human eye, typically...

physicist. He is working in the field of Experimental atomic, molecular and optical physics. He was awarded the Shanti Swarup Bhatnagar Prize in 2014. He has...

luxury eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned...

an optical level, the process becomes Optical IP Switching. The advantage of OIS comes from the fact that today packets are transmitted optically between...

Through-Focus Scanning Optical Microscopy (TSOM) is an imaging method that produces nanometer-scale three-dimensional measurement sensitivity using a...

An exchange of rubber for optical glass was proposed by Britain and Germany during the First World War. Optical glass was vital to the warfare of this...

Sterlite Technologies Limited (formerly Sterlite Tech) is an Indian optical and digital technology company, headquartered in Pune. It is listed on Bombay...

doi:10.1107/S0365110X66004420. Maeda Y, Akidzuki Y, Yamada T (1998). "All-optical liquid device derived from negative nonlinear absorption effect in an erbium...

telescope making, sagitta or sag is a measure of the glass removed to yield an optical curve. It is approximated by the formula S ( r ) ≈ r 2 2 × R {\displaystyle...

Goniophotometry or goniometric optical scatter measurement is the technique of measuring the angular distribution of light, possibly wavelength-dependent...

Award was first introduced as the Engineering Excellence Award by the Optical Society in 1989 and was awarded individually, or shared among individuals...

quantum gap is a discrepancy between the maximum value of the nonlinear-optical susceptibility allowed by quantum mechanics and the highest values actually...

finalising) an optical disc is the process of writing out support data such as DVD menus, directory data, and the like to an optical disc in order to...

specific to each optically resolvable orientation subset. Both the electron and nuclear spins can by hyperpolarized using a single optical radio frequency...

focuses on optical super-resolution, biomedical optics, nanophotonics, and optical sensing, addressing both theoretical and applied aspects of optical signal...

Canoe Slalom World Cup William E. Forsythe (1881–1969), president of the Optical Society of America William Forsyth (disambiguation) This disambiguation...

used in diagnostic microscopy, for contrasting a thin specimen with an optically opaque fluid. In this technique, the background is stained, leaving the...

autostereograms, a series of two-dimensional (2D) images that can create the optical illusion of a three-dimensional (3D) scene. After creating its first images...

In optical communication, a reconfigurable optical add-drop multiplexer (ROADM) is a form of optical add-drop multiplexer that adds the ability to remotely...

end-to-end, silicon-based optical system. The prototype of this technology is essentially a two-chip system that can optically transmit and receive data...

optoelectronics devices like laser diodes and photonic integrated circuits for the optical telecommunications industry, to enable wavelength-division multiplexing...

transmitted along a single optical fiber. SCM (also known as SCMA, SubCarrier Multiple Access) is used in passive optical network (PON) access infrastructures...