technology for manipulating beams of elementary charged particles. Most optical phenomena can be accounted for by using the classical electromagnetic description...

An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers are widely used...

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...

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...

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word...

Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication...

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

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

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...

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...

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

An optical disc is a flat, usually disc-shaped object that stores information in the form of physical variations on its surface that can be read with...

An optical microcavity or microresonator is a structure formed by reflecting faces on the two sides of a spacer layer or optical medium, or by wrapping...

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...

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)...

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...

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

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...

An optical transistor, also known as photonic transistor, optical switch or light valve, is a device that switches or amplifies optical signals. Light...

An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier...

Optical transfection is a biomedical technique that entails introducing nucleic acids (i.e. genetic material such as DNA) into cells using light. All...

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

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

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...

Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually...

An optical dilatometer is a non-contact device able to measure thermal expansions or sintering kinetics of any kind of materials, unlike traditional push...

Optical tweezers (originally called single-beam gradient force trap) are scientific instruments that use a highly focused laser beam to hold and move...

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

Optical rotation, also known as polarization rotation or circular birefringence, is the rotation of the orientation of the plane of polarization about...

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

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...

The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate...

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

Optical storage is a class of data storage systems that use light to read or write data to an underlying optical media. Although a number of optical formats...

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...

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...

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...

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

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...

An optical printer is a device consisting of one or more film projectors mechanically linked to a movie camera. It allows filmmakers to re-photograph...

Optical bonding refers to a protective glass that is glued in front of a display to enhance its readability where installed in high humidity outdoor environments...

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...

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...

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

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

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...

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...

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...

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...

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

Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds...

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

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

An optical telescope gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct visual...

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

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

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

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

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...

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...

Optical sorting (sometimes called digital sorting) is the automated process of sorting solid products using cameras and/or lasers. Depending on the types...

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...

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

The optical metric was defined by German theoretical physicist Walter Gordon in 1923 to study the geometrical optics in curved space-time filled with...

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...

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

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...

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

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...

A passive optical network (PON) is a fiber-optic telecommunications network that uses only unpowered devices to carry signals, as opposed to electronic...

5D optical data storage is an experimental nanostructured glass for permanently recording digital data using a femtosecond laser writing process. It is...

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

Optical disc authoring requires a number of different optical disc recorder technologies working in tandem, from the optical disc media to the firmware...

An optical fiber connector is a device used to link optical fibers, facilitating the efficient transmission of light signals. An optical fiber connector...

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

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

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

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

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...

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

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...

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

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...

Optical sound is a means of storing sound recordings on transparent film. Originally developed for military purposes, the technology first saw widespread...

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

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...

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...

An optical chopper is a device which periodically interrupts a light beam. Three types are available: variable frequency rotating disc choppers, fixed...

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...

An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic...

An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which...

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

A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc. 130 mm (5.25 in) and 90 mm (3...

Optical burst switching (OBS) is an optical networking technique that allows dynamic sub-wavelength switching of data. OBS is viewed as a compromise between...

An off-axis optical system is an optical system in which the optical axis of the aperture is not coincident with the mechanical center of the aperture...

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...

The European Optical Society (EOS) is a European organisation for the development of the science of optics, founded in 1991. Membership is open to national...

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

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...

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...

between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most common...

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

Optical Disc Archive (ODA) is an archival storage technology developed by Sony. A single cartridge is designed to hold as many as 12 optical discs, each...

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

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...

Optical Express is a provider of ophthalmology services including laser eye surgery, cataract surgery and lens replacement surgery in Europe. Optical...

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

DVD (Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released...

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

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

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

Quantum-optical spectroscopy is a quantum-optical generalization of laser spectroscopy where matter is excited and probed with a sequence of laser pulses...

Medical optical imaging is the use of light as an investigational imaging technique for medical applications, pioneered by American Physical Chemist Britton...

A glory is an optical phenomenon, resembling an iconic saint's halo around the shadow of the observer's head, caused by sunlight or (more rarely) moonlight...

Optical scanning can refer to: an optical reader a 3D scanner This disambiguation page lists articles associated with the title Optical scanning. If an...

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

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

Optical Delusion is the tenth studio album by English electronic music duo Orbital, released on 17 February 2023. According to the review aggregator Metacritic...

In optical astronomy, interferometry is used to combine signals from two or more telescopes to obtain measurements with higher resolution than could be...

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...

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

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

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

Raytheon ELCAN Optical Technologies, also simply ELCAN (Ernst Leitz CANada), is a Canadian optics and electronics manufacturing company owned by American...

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...

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

optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network...

(/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...

An optical modulator is a device which is used to modulate a beam of light. The beam may be carried over free space, or propagated through an optical waveguide...

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

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...

An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism...

Nonlinear optics (NLO) is a branch of optics that studies the case when optical properties of matter depend on the intensity of the input light. Nonlinear...

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

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...

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...

GPS functionality [citation needed] All cameras used CCD sensors and had optical image stabilization. The series included bridge cameras and compact cameras...

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...

An optical parametric oscillator (OPO) is a parametric oscillator that oscillates at optical frequencies. It converts an input laser wave (called "pump")...

optics, an optical phase space is a phase space in which all quantum states of an optical system are described. Each point in the optical phase space...

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...

into its headquarters. Namco's 1995 arcade game Soul Edge used passive optical system markers for motion capture. Motion capture also uses athletes in...

Electro-optic rectification (EOR), also referred to as optical rectification, is a non-linear optical process that consists of the generation of a quasi-DC...

artifacts appearing in photographic images and video recordings. Most optical analyses to date have concluded that the images are insects moving across...

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...

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...

The history of optical recording can be divided into a few number of distinct major contributions. The pioneers of optical recording worked mostly independently...

Atomic, molecular, and optical physics (AMO) is the study of matter–matter and light–matter interactions, at the scale of one or a few atoms and energy...

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...

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

Optical coherence elastography (OCE) is an emerging imaging technique used in biomedical imaging to form pictures of biological tissue in micron and submicron...

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...

3D optical data storage is any form of optical data storage in which information can be recorded or read with three-dimensional resolution (as opposed...

The manipulation of atoms using optical fields is a vital and fundamental area of research within the field of atomic physics. This research revolves...

("burned") onto an optical disc (typically a compact disc or DVD). To burn an optical disc, one usually first creates an optical disc image with a full...

An optical ring resonator, or micro-ring resonator (MRR) is a set of waveguides in which at least one is a closed loop coupled to light input and output...

An optical cage system is an optomechanical system that is used to mount optical elements such as lenses and mirrors together in a rigid assembly. Optical...

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

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

owns, predominantly LensCrafters, Sunglass Hut, Pearle Vision, Target Optical, and Glasses.com. It also owns EyeMed, one of the largest vision health...

The C79 optical sight (SpecterOS3.4×) is a telescopic sight manufactured by Elcan. A variant, the M145 Machine Gun Optic is in use by the US military...

integrated waveguide optical power distribution device, similar to a coaxial cable transmission system. The optical network system uses an optical signal coupled...

The physical limitations of metallic media prompted the development of optical fibre. The Internet, a technology independent of any given medium, has...

Shamir Optical Industry Ltd. is an international company headquartered in Kibbutz Shamir, Israel that develops and manufactures optical lenses for eyeglasses...

Optical Illusions (Spanish: Ilusiones ópticas) is a 2009 comedy-drama film directed by Cristián Jiménez (in his directorial debut) and written by Jiménez...

In general relativity, optical scalars refer to a set of three scalar functions { θ ^ {\displaystyle \{{\hat {\theta }}} (expansion), σ ^ {\displaystyle...

Cohen's Fashion Optical (formerly known as Cohen's Optical) is an optical retailer headquartered in New York City featuring fashion products such as eyeglasses...

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...

Geometrical–optical are visual illusions, also optical illusions, in which the geometrical properties of what is seen differ from those of the corresponding...

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)...

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

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

Multivariate optical computing, also known as molecular factor computing, is an approach to the development of compressed sensing spectroscopic instruments...

An optical power meter (OPM) is a device used to measure the power in an optical signal. The term usually refers to a device used for measuring the average...

Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Multi-mode...

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

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

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...

Optical Fiber Technology is a scientific journal that is published by Elsevier (formerly by Academic Press). Established in 1994, it covers various topics...

Optical gain is the most important requirement for the realization of a semiconductor laser because it describes the optical amplification in the semiconductor...

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

Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical...

Fiber-optical thermometers can be used in electromagnetically strongly influenced environment, in microwave fields, power plants or explosion-proof areas...

opposed to a fixed-focal-length (FFL) lens (prime lens). A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its...

An optical cross-connect (OXC) is a device used by telecommunications carriers to switch high-speed optical signals in a fiber optic network, such as an...

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

Optical Cable Corporation, headquartered in Roanoke, Virginia, manufactures fiber optical cable. The company's cable is largely used for telecommunications...

group). The Urals Optical-Mechanical Plant Production Association is one of Russia's leading optical enterprises, producing optical systems for military...

An optical pulsar is a pulsar which can be detected in the visible spectrum. There are very few of these known: the Crab Pulsar was detected by stroboscopic...

In optics, optical rotatory dispersion is the variation of the specific rotation of a medium with respect to the wavelength of light. Usually described...

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...

When optical fibers are exposed to ionizing radiation such as energetic electrons, protons, neutrons, X-rays, Ƴ-radiation, etc., they undergo 'damage'...

weapons, surveying instruments, aircraft equipment, optical illumination equipment or larger optical instruments with the intended target. Sights can be...

differential optical absorption spectroscopy (DOAS) is used to measure concentrations of trace gases. When combined with basic optical spectrometers...

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...

technique in the fields of astronomy, fiber optics, engineering, metrology, optical metrology, oceanography, seismology, spectroscopy (and its applications...

Starfire Optical Range (SOR - Pronounced as an initialism) is a United States Air Force research laboratory on the Kirtland Air Force Base in Albuquerque...

practical semiconductor light emitters invented in the early 1960s and optical fibers developed in the 1970s. The field is also supported by professional...

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...

In optics, extraordinary optical transmission (EOT) is the phenomenon of greatly enhanced transmission of light through a subwavelength aperture in an...

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...

The Optical Media Board (OMB), formerly known as the Videogram Regulatory Board (VRB), is a Philippine government agency that is part of the Office of...

A photonic integrated circuit (PIC) or integrated optical circuit is a microchip containing two or more photonic components that form a functioning circuit...

Optical music recognition (OMR) is a field of research that investigates how to computationally read musical notation in documents. The goal of OMR is...

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...

Electro-optical sensors are electronic detectors that convert light, or a change in light, into an electronic signal. These sensors are able to detect...

Optical Race is the thirty-fifth major release and eighteenth studio album by Tangerine Dream. Optical Race is the inaugural album of the Melrose Years...

Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in the...

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...

Erker's Optical Co. of St. Louis, Missouri is an optical company started in 1879 by A.P. Erker. A.P. Erker's brother, Olympic gold medalist August Erker...

The marine optical buoy (MOBY) measures light at and very near the sea surface in a specific location over a long period of time, serving as part of an...

The slotted optical switch, sometimes known as opto switch or optical switch but not to be confused with the optical component, is a device comprising...

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...

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

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

Optical axis gratings (OAGs) are gratings of optical axis of a birefringent material. In OAGs, the birefringence of the material is constant, while the...

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

An optical DPSK demodulator is a device that provides a method for converting an optical differential phase-shift keying (DPSK) signal to an intensity-keyed...

An optical scan voting system is an electronic voting system that uses an optical scanner to read marked paper ballots and tally the results. While mark...

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

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...

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent...

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

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

have the same physical properties, except that they often have opposite optical activities. A homogeneous mixture of the two enantiomers in equal parts...

Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for...

Optical IP Switching (OIS), is a novel method of creating transparent optical connections between network nodes using a flow-based approach. An IP flow...

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

related to Optical illusion. Optical Illusion Examples by Great Optical Illusions Optical Illusions & Visual Phenomena by Michael Bach Optical Illusions...

Optical coherence tomography (OCT) is a high-resolution imaging technique with most of its applications in medicine and biology. OCT uses coherent near-infrared...

The Optical Internetworking Forum (OIF) is a prominent non-profit consortium that was founded in 1998. It promotes the development and deployment of interoperable...

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...

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

The Optical Institute at Benediktbeuern was a Bavarian business that made optical glass, lenses and scientific instruments. Joseph von Utzschneider established...

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...

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

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...

emphasis on optical engineering. The college offers more than 90 courses in optical sciences, and a Bachelor of Science degree in Optical Sciences and...

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...

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

Optical proximity correction (OPC) is a photolithography enhancement technique commonly used to compensate for image errors due to diffraction or process...

50.92781; 11.579275 Optical Museum Jena The Deutsches Optisches Museum Jena is a science and technology museum displaying optical instruments from eight...

Optical contact bonding is a glueless process whereby two closely conformal surfaces are joined, being held purely by intermolecular forces. Isaac Newton...

state-owned Rostec corporation. The Lytkarino Optical Glass Plant is a major producer of optical glass and precision optical instruments for the military as well...

Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) is a digital optical disc data storage format that is an enhanced variant of Blu-ray. Ultra HD Blu-ray...

electronic image stabilization can also compensate for rotation about the optical axis (roll). It is mainly used in high-end image-stabilized binoculars...

Optical tape is a medium for optical storage generally consisting of a long and narrow strip of plastic onto which patterns can be written and from which...

Near-field scanning optical microscopy (NSOM) or scanning near-field optical microscopy (SNOM) is a microscopy technique for nanostructure investigation...

Optical cross section (OCS) is a value which describes the maximum amount of optical flux reflected back to the source. The standard unit of measurement...

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...

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...

Transdermal optical imaging, also known as transdermal optical imagery or TOI, is a method of detecting blood flow of the face by measuring hemoglobin...

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

ratio of the speed of light in vacuum (c) to the speed of light in a given optical medium (v), n=c/v. The refractive index determines how much the path of...

Optical and Quantum Electronics is a peer-reviewed scientific journal published monthly by Springer Science+Business Media. It covers original research...

Optical mark recognition (OMR) collects data from people by identifying markings on a paper. OMR enables the hourly processing of hundreds or even thousands...

In telecommunications, an optical buffer is a device that is capable of temporarily storing light. Just as in the case of a regular buffer, it is a storage...

Optical Engineering is a monthly peer-reviewed scientific journal covering research, development, and uses of optical science and optical engineering...

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

The General Optical Council (GOC) is an organisation in the United Kingdom which maintains a register of opticians and regulates the services provided...

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

ADVA Optical Networking SE was a German telecommunications company specialized in network equipment for data, storage, voice and video services, was founded...

An optical reader is a device that observes visual information and translates it into digital information, as found within most image and barcode and...

Optical rogue waves are rare pulses of light analogous to rogue or freak ocean waves. The term optical rogue waves was coined to describe rare pulses of...

Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations...

Okaya Optical Co., Ltd. (岡谷光学機械株式会社; Okaya Kōgaku Kikai Kabushiki Gaisha) was the manufacturer in the 1950s of "Lord" cameras, "Vista" binoculars, and...

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

Diffuse optical mammography, or simply optical mammography, is an emerging imaging technique that enables the investigation of the breast composition through...

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 landing system (OLS) (nicknamed "meatball" or simply "ball") is used to give glidepath information to pilots in the terminal phase of landing...

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

An optical frequency multiplier is a nonlinear optical device in which photons interacting with a nonlinear material are effectively "combined" to form...

Optical relief (usually noted as simply relief) is a visually observable property in optical mineralogy used to identify minerals based on their refractive...

LaserDisc (LD) is a home video format and the first commercial optical disc storage medium. It was developed by Philips, Pioneer, and the movie studio...

The Optical Storage Technology Association (OSTA) was an international trade association formed to promote the use of recordable optical data storage technologies...

Optical Materials Express is a monthly peer-reviewed and open access scientific journal published by Optica. Founded in 2011, it covers advances in and...

Optical granulometry is the process of measuring the different grain sizes in a granular material, based on a photograph. Technology has been created...

The Ultraviolet and Optical Telescope (UVOT) is one of three instruments on board the Neil Gehrels Swift Observatory that observes astronomical objects...

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

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...

In atomic, molecular, and optical physics, a magneto-optical trap (MOT) is an apparatus which uses laser cooling and a spatially varying magnetic field...

The Optical Society was a scientific society founded in London in 1899, which published Transactions of the Optical Society. The Optical Society was founded...

cable, a buffer is one type of component used to encapsulate one or more optical fibers for the purpose of providing such functions as mechanical isolation...

preservation of optical media is essential because it is a resource in libraries, and stores audio, video, and computer data. While optical discs are generally...

beamsplitter is an optical device that splits a beam of light into a transmitted and a reflected beam. It is a crucial part of many optical experimental and...

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

The Museum of Optical Illusions Trapani (Italian: Museo delle Illusioni Ottiche di Trapani) is a museum in the historic centre of Trapani, Sicily, dedicated...

A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as levelling. It is used in conjunction...

A holographic optical element (HOE) is an optical component (mirror, lens, directional diffuser, etc.) that produces holographic images using principles...

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...

Kerner Optical was an American practical visual effects company based in San Rafael, California. Originally the practical effects division of Industrial...

Kazan Optical-Mechanical Plant (Russian: Казанский оптико-механический завод), commonly known by its Russian initials KOMZ, is an optics manufacturer...

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

000 and sufficient optical performance to support prints at up to 2L size, 127×178 mm (5×7 in). Kouichi Ohshita, the lead optical designer, recalled his...

Diffuse optical imaging (DOI) is a method of imaging using near-infrared spectroscopy (NIRS) or fluorescence-based methods. When used to create 3D volumetric...

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

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

The Vavilov State Optical Institute in St Petersburg, Russia (named after Sergey Ivanovich Vavilov) is a research institute in optics in Russia. It works...

Yangtze Optical Fibre and Cable Joint Stock Limited Company. (YOFC; Chinese: 长飞光纤; pinyin: Zhǎngfēi Guāngxiān) is a publicly listed Chinese company that...

In an optical communications link, the optical power margin is the difference between the optical power that is launched by a given transmitter into the...

Optical holography is a technique which enables an optical wavefront to be recorded and later re-constructed. Holography is best known as a method of generating...

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...

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

A graphene lens is an optical refraction device. Graphene's unique 2-D honeycomb contributes to its unique optical properties. The honeycomb structure...

Journal of Optical Microsystems is a peer-reviewed open access scientific journal published quarterly by SPIE. It covers fundamental and applied research...

An optical bar camera is a type of long-focal-length panoramic camera used for panoramic images; e.g., for high-altitude or satellite reconnaissance....

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

Unertl Optical Company, Inc. was a manufacturer of telescopic sights in the United States from 1928 until 2008. They are known for their 10× fixed-power...

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

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

Ultra Density Optical (UDO) is an optical disc format designed for high-density storage of high-definition video and data. The format was introduced by...

fiber-optic communication, a single-mode optical fiber, also known as fundamental- or mono-mode, is an optical fiber designed to carry only a single mode...

Catastrophic optical damage (COD), or catastrophic optical mirror damage (COMD), is a failure mode of high-power semiconductor lasers. It occurs when...

(Icelandic: silfurberg [ˈsɪlvʏrˌpɛrk], lit. 'silver-rock') and also called optical calcite, is a transparent variety of calcite, a crystallized calcium carbonate...

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

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...

Optical fiber, nonconductive, riser (OFNR) is a type of optical fiber cable. As designated by the National Fire Protection Association (NFPA), this name...

Optical network-on-chip (ONoC) is a new type of network on chip (NoC) for multiprocessor system-on-chip. While traditional NoC relies on electrical signals...

Optical depth in astrophysics refers to a specific level of transparency. Optical depth and actual depth, τ {\displaystyle \tau } and z {\displaystyle...

The Optical Music Series is a set of soundtracks by the English Neoclassical duo In The Nursery, released under their own ITN Corporation record label...

Laser communication in space is the use of free-space optical communication in outer space. Communication may be fully in space (an inter-satellite laser...

Xiamen Yarui Optical Co., Ltd (Chinese: 厦门雅瑞光学有限公司; pinyin: Xiàmén Yǎruì Guāngxué Yǒuxiàn Gōngsī), doing business as Bolon (Chinese: 暴龙; pinyin: Bàolóng)...

A parallel optical interface is a form of fiber-optic technology aimed primarily at communications and networking over relatively short distances (less...

These early cables used copper wires in their cores, but modern cables use optical fiber technology to carry digital data, which includes telephone, internet...

Optical projection tomography is a form of tomography involving optical microscopy. The OPT technique is sometimes referred to as optical computed tomography...

The Advanced Combat Optical Gunsight (ACOG) is a series of prismatic telescopic sights manufactured by Trijicon. The ACOG was originally designed to be...

group with 38.9% of the capital. This merger gives birth to a giant of the optical industry, generating a turnover of more than €16 billion and a market capitalization...

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

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....

Linear optical quantum computing or linear optics quantum computation (LOQC), also photonic quantum computing (PQC), is a paradigm of quantum computation...

spectroscopy, allowing for high precision measurements and instruments such as optical clocks. The reduction in thermal energy also allows for efficient loading...

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

A subwavelength-diameter optical fibre (SDF or SDOF) is an optical fibre whose diameter is less than the wavelength of the light being propagated through...

ISP. Transit ISPs may use OTN (Optical transport network) or SDH/SONET (Synchronous Digital Hierarchy/Synchronous Optical Networking) with a DWDM (Dense...

Optical bistability is a nonlinear optical phenomenon in which an optical system can maintain either of two stable output states for the same value of...

The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval...

In optical disc manufacturing, replication is the process of producing discs via methods that do not involve "burning" blank CD, DVD or other discs; the...

day, with the strange lights having been determined to be an atmospheric optical phenomenon. The phenomenon occurs several kilometers out from the shore...

An optical solar reflector (OSR) is a component of a vehicle or machine designed to fly in outer space. The reflector consists of a top layer made out...

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

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...

Photolithography (also known as optical lithography) is a process that involves using light to transfer a pattern onto a photoresist layer deposited on...

have optical fluorescent properties particularly useful in certain laser applications. Erbium-doped glasses or crystals can be used as optical amplification...

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...

Zeiss (/zaɪs/ ZYSSE; German: [kaʁl ˈtsaɪs]) is a German manufacturer of optical systems and optoelectronics, founded in Jena, Germany, in 1846 by optician...

in Wiktionary, the free dictionary. In optical networking, a lightpath is a path between two nodes in an optical network between which light passes through...

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...

to enhance image quality. Features like low-light and HDR photography, optical image stabilization, and depth-sensing became common in smartphone cameras...

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

accuracy in Western art since the early Renaissance were due primarily to optical aids such as the camera obscura, camera lucida, and curved mirrors, and...

are essential in a wide range of applications, from digital imaging and optical communication to scientific research and industrial automation. Photodetectors...

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

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

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

interface. A typical USB drive is removable, rewritable, and smaller than an optical disc, and usually weighs less than 30 g (1 oz). Since first offered for...

the count of spin-ups, though its reliability is disputed. The health of optical media can be determined by measuring correctable minor errors, of which...

The Nordic Optical Telescope (NOT) is an astronomical telescope located at Roque de los Muchachos Observatory, La Palma in the Canary Islands. The telescope...

In optics, an image-forming optical system is a system capable of being used for imaging. The diameter of the aperture of the main objective is a common...

A stanhope or stanho-scope is an optical device that enables the viewing of microphotographs without using a microscope. They were invented by René Dagron...

An optical correlator is an optical computer for comparing two signals by utilising the Fourier transforming properties of a lens. It is commonly used...

Endoscopic optical coherence tomography, also intravascular optical coherence tomography is a catheter-based imaging application of optical coherence tomography...

Optical braille recognition is technology to capture and process images of braille characters into natural language characters. It is used to convert...

Frequency-resolved optical gating (FROG) is a general method for measuring the spectral phase of ultrashort laser pulses, which range from subfemtosecond...

that are sensitive in the range of visible light (optical telescopes). Visible-light astronomy or optical astronomy differs from astronomies based on invisible...

art, short for optical art, is a style of visual art that uses distorted or manipulated geometrical patterns, often to create optical illusions. It began...

In optics, the optical sine theorem states that the products of the index, height, and sine of the slope angle of a ray in object space and its corresponding...

The Optical Dazzling Interdictor, Navy (ODIN), is a directed-energy weapon developed by Northrop Grumman designed to intercept fast-attack craft, aircraft...

A nuclear clock or nuclear optical clock is an atomic clock which uses photons from a nuclear isomeric transition as its reference frequency, instead...

one reciprocal metre, 1 dpt = 1 m−1. It is normally used to express the optical power of a lens or curved mirror, which is a physical quantity equal to...

condition for an optical system to produce sharp images for objects over an extended axial range, i.e. for objects displaced along the optical axis. It was...

A multivariate optical element (MOE), is the key part of a multivariate optical computer; an alternative to conventional spectrometry for the chemical...

Raman optical activity (ROA) is a vibrational spectroscopic technique that is reliant on the difference in intensity of Raman scattered right and left...

Mellon optical memory was an early form of computer memory invented at the Mellon Institute (today part of Carnegie Mellon University) in 1951. The device...

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

Optical beam induced current (OBIC) is a semiconductor analysis technique performed using laser signal injection. The technique uses a scanning laser...

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

the leap to storing digital audio on an optical disc was easily made. Sony first publicly demonstrated an optical digital audio disc in September 1976....

gases. The method uses a frequency comb laser combined with a high finesse optical cavity to produce an absorption spectrum in a highly parallel manner. The...

that connects to a fiber optic network is known as an optical network terminal (ONT) or optical network unit (ONU). These are commonly used in fiber to...

of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660. Due to its design, it is very well...

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

An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between...

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

produce photomasks (Eventually this whole process was replaced by the optical pattern generator to produce the master image). At this point the master...

A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors...

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...

The optical stretcher is a dual-beam optical trap that is used for trapping and deforming ("stretching") micrometre-sized soft matter particles, such as...

Switched Optical Network (ASON) is a concept for the evolution of transport networks which allows for dynamic policy-driven control of an optical or SDH...

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

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

observatory under construction. When completed, it will be the world's largest optical and mid-infrared extremely large telescope. Part of the European Southern...

Company that has been in operation since 1884. In 2001, Lucent Technologies' Optical Fiber Solutions business was sold to Furukawa Electric Co. Ltd. The new...

Chinese Optical Society (simplified Chinese: 中国光学学会; traditional Chinese: 中國光學學會; pinyin: Zhōngguó Guāngxué Xuéhuì; abbreviated COS) is a professional...

only direction and approximate view), with simple optical components, with precision optics and optical functions, or a digital accessory device used with...

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

A compressed audio optical disc, MP3 CD, or MP3 CD-ROM or MP3 DVD is an optical disc (usually a CD-R, CD-RW, DVD-R or DVD-RW) that contains digital audio...

Confocal microscopy is an optical imaging technique for increasing optical resolution and contrast of a micrograph by means of using a spatial pinhole...

In astronomy, a fast blue optical transient (FBOT), or more specifically, luminous fast blue optical transient (LFBOT), is an explosive transient event...

IBM designed, manufactured and sold optical mark and character readers from 1960 until 1984. The IBM 1287 is notable as being the first commercially sold...

Optical coherence tomography angiography (OCTA) is a non-invasive imaging technique based on optical coherence tomography (OCT) developed to visualize...

Hyper–Rayleigh scattering optical activity (/ˈreɪli/ RAY-lee), a form of chiroptical harmonic scattering, is a nonlinear optical physical effect whereby...

A fiber-optic sensor is a sensor that uses optical fiber either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a...

An acousto-optical spectrometer (AOS) is based on the diffraction of light by ultrasonic waves. A piezoelectric transducer, driven by the RF signal (from...

Optical PAyload for Lasercomm Science (OPALS) is a spacecraft communication instrument developed at the Jet Propulsion Laboratory that was tested on the...

Optical chemical structure recognition (OCSR) is the translation of images that depict chemical structure information into machine-readable formats. It...

An optical add-drop multiplexer (OADM) is a device used in wavelength-division multiplexing (WDM) systems for multiplexing and routing different channels...

Advanced Optical Materials is a monthly peer-reviewed scientific journal published by Wiley-VCH. It was established in 2013, after a section with the...

Makeup Artistry. She is best known for her styles of makeup that involve optical illusions and creative, surreal imagery, and became known for doing the...

Electro-optical MASINT is a subdiscipline of Measurement and Signature Intelligence, (MASINT) and refers to intelligence gathering activities which bring...

used in autocorrelation measurements, as well as higher-order nonlinear optical processes such as third-harmonic generation, in which case the mathematical...

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...

intermediates in the femtosecond timescale. Raman optical activity spectroscopy exploits Raman scattering and optical activity effects to reveal detailed information...

Optical Telescope Element (OTE) is one of three major sections of the James Webb Space Telescope, a large infrared space telescope launched on 25 December...

(short for High Density Digital Versatile Disc) is an obsolete high-density optical disc format for storing data and playback of high-definition video. Supported...

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...

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

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

MiniDisc (MD) is a discontinued erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, or 80 minutes of digitized audio...

referred to as the magneto-optic Faraday effect (MOFE), is a physical magneto-optical phenomenon. The Faraday effect causes a polarization rotation which is...

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

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

An optical comparator (often called just a comparator in context) or profile projector is a device that applies the principles of optics to the inspection...

angles to signals usable for servo control optical units, a Space Sextant for the CM and an Alignment Optical Telescope for the LM a mechanical frame, called...

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

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

The KLM scheme or KLM protocol is an implementation of linear optical quantum computing (LOQC) developed in 2000 by Emanuel Knill, Raymond Laflamme and...

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

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

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

vision, the Lucas–Kanade method is a widely used differential method for optical flow estimation developed by Bruce D. Lucas and Takeo Kanade. It assumes...

signal as output. This is typically done within a camera. The electro-optical transfer function (EOTF) is the transfer function having the picture or...

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

The Solar Observing Optical Network (SOON) consists of three U.S. Air Force (USAF) Air Force Weather Agency (AFWA) solar observatories. AFWA operates...

per second) over optical fibre. This is the ITU-T's next-generation standard following on from GPON or gigabit-capable PON. Optical fibre is shared by...

The 3.6m Devasthal (Hindi: देवस्थल) Optical Telescope (DOT) is a clear-aperture Ritchey–Chrétien telescope built by Aryabhatta Research Institute of Observational...

the first applications, NIRS was used only as an add-on unit to other optical devices that used other wavelengths such as ultraviolet (UV), visible (Vis)...

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

the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications...

original text related to this article: Williamson v. Lee Optical Company Williamson v. Lee Optical Co., 348 U.S. 483 (1955), was a case in which the Supreme...

optical illusions include several picture books for children such as Ambiguous Illusions (2005), Action Optical Illusions (2005) and Stereo Optical Illusions...

is an optical device used as a drawing aid by artists and microscopists. By looking through the prism in its standard, a user sees an optical superimposition...

In fiber optics, polarization-maintaining optical fiber (PMF or PM fiber) is a single-mode optical fiber in which linearly polarized light, if properly...

The British Optical Association (BOA) was founded in February 1895 as the first professional body for ophthalmic opticians (optometrists) in the world...

Dermo-optical perception (DOP, also known as dermal vision, dermo-optics, skin vision, skin reading, finger vision, cutaneous perception, digital sight...

The optical force is a phenomenon whereby beams of light can attract and repel each other. The force acts along an axis which is perpendicular to the...

to stimulate and measure luminescence. It includes techniques such as optically stimulated luminescence (OSL), infrared stimulated luminescence (IRSL)...

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...

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

the maximum safe operating temperature. Various measures are taken for optical overheating protection. Stagnation temperatures are encountered under conditions...

An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, typically as an indicator of fire....

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

split of the liquid amongst the plumes are normally obtained using an optical patternator. Spray nozzle manufacturers all tabulate capacity based on...

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...

sensing of the ball's movement uses optical encoders connected to rollers, that touch the ball. The Marble Optical Technology uses 1 or 2 red LEDs to shine...

of computer data storage devices (e.g. disk storage, hard disk drives, optical discs, floppy disks, and magnetic tape), and early computer storage methods...

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...

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...

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

Microstructured optical fibers (MOF) are optical fiber waveguides where guiding is obtained through manipulation of waveguide structure rather than its...

telecommunications, optical modulation amplitude (OMA) is the difference between two optical power levels, of a digital signal generated by an optical source, e...

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

(/juːˈlɛksaɪt/), sometimes called TV rock or TV stone due to its unusual optical properties, is a hydrous borate hydroxide of sodium and calcium with the...

represented by a Jones vector, and linear optical elements are represented by Jones matrices. When light crosses an optical element the resulting polarization...

This is a list of optical disc authoring software. cdrtools, a comprehensive command line-based set of tools for creating and burning CDs, DVDs and Blu-rays...

PSO-1 (Прицел снайперский оптический, Pritsel snaipersky optichesky, "Optical Sniper Sight") is a 4×24 telescopic sight manufactured in Russia by the...

The 6500 Packet-Optical Platform (formerly called the Optical Multiservice Edge 6500 or OME 6500 during the product's time at Nortel) is a multi-port...

Optical heterodyne detection is a method of extracting information encoded as modulation of the phase, frequency or both of electromagnetic radiation...

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...

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...

eudialyte, natrolite, neptunite, and orthojoaquinite-(Ce). Minerals with optical similarities include verplanckite, baotite, cerchiaraite, titantaramellite...

Endress+Hauser Optical Analysis, Inc. is a manufacturer of optical-based gas sensors for the industrial process, environmental monitoring and clean technology...

both astrophysics and particle physics knowledge. Arrays of thousands of optical sensor modules detect the faint Cherenkov light in the deep sea from charged...

or artificial light for the purpose of illumination and are examples of optical waveguides. In their application to daylighting, they are also often called...

Corona spy satellite, film imagery. They were a primary supplier of the optical systems used in many reconnaissance platforms, first in aircraft and high-altitude...

Birefringence Optic crystals Index ellipsoid Optical rotation Prism Amnon Yariv, Pochi Yeh. (2006). Photonics optical electronics in modern communications (6th...

retro-reflector (MRR) system combines an optical retro-reflector and an optical modulator to allow optical communications and sometimes other functions...

the first optical telephone system in 1977 in Long Beach, California. By the early 1980s, optical networks powered by lasers, LED and optical amplifier...

In an optical system (generally a lens), the entrance pupil is the optical image of the physical aperture, as 'seen' through the optical elements in front...

the study and application of photonic systems which use silicon as an optical medium. The silicon is usually patterned with sub-micrometre precision...

function of the lens design. The optical magnification m is equivalent to optical reproduction ratio. For example, an optical reproduction ratio of 1:10 means...

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

A condenser is an optical lens that renders a divergent light beam from a point light source into a parallel or converging beam to illuminate an object...

In the history of optical storage media there have been and there are different optical disc formats with different data writing/reading speeds. Original...

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

storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Biological molecules such as RNA...

cartridges for their Nintendo 64 system; the company did not transition to optical media until the release of the GameCube in 2001. Cartridges were also used...

Microsoft was among the first mouse vendors to introduce a scroll wheel, an optical mouse, and dedicated auxiliary buttons on the side of the mouse. They use...

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

surface elements. An optical phased array (OPA) is the optical analog of a radio-wave phased array. By dynamically controlling the optical properties of a...

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

_{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...

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

to perform their functions. The motion of a nanomotor could result from optical, electrical, magnetic or chemical interactions. These principles are applied...

temperature of the distant source. A modern pyrometer has an optical system and a detector. The optical system focuses the thermal radiation onto the detector...

Optical Carrier transmission rates are a standardized set of specifications of transmission bandwidth for digital signals that can be carried on Synchronous...

aperture off-axis optical system optical aberration optical amplifier optical axis optical axis gratings optical bench optical coating optical coherence tomography...

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...