Fluorescence lifetime imaging (FLIM) is an advanced imaging technique that provides information about the lifetime of fluorescence emissions from fluorophores within a sample. Unlike traditional fluorescence imaging, which relies on the intensity of...

Ultrasonic refers to sound waves with frequencies higher than the upper audible limit of human hearing, typically above...

Parallel scanning refers to a method of acquiring data or images simultaneously from multiple sources or in parallel, rather...

Absolute colorimetric refers to a color management rendering intent used in color profiles and conversion processes,...

A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...

A nonlinear crystal is a type of crystal that exhibits nonlinear optical properties when subjected to intense...

An acousto-optic modulator (AOM) is a device that utilizes the acousto-optic effect to modulate the amplitude, phase,...

Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other...

A transducer is a device or component that converts one form of energy into another. It is commonly used in various fields,...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...

Hyperspectral resolution refers to the level of detail or granularity in the spectral information captured by a...

Brightfield refers to a type of microscopy and imaging technique in which the specimen is illuminated with a white light...

Scanning electron microscopy (SEM) is an advanced imaging technique used in microscopy to obtain high-resolution,...

Micro-optical coherence tomography (micro-OCT) is an imaging technique that is an adaptation of optical coherence tomography...

An imaging device analogous to a drum scanner, but operating at greater speeds; it uses a row of sensors to traverse an...

Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...

The area of optics in which the propagation of light is described by geometrical lines (or rays) governed by Fermat's...

A nonlinear label-free imaging technique commonly used during surgical procedures for the visualization of collagen fibers...

A microchannel plate (MCP) is a specialized electron multiplier device used in various applications such as particle...

A nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of...

A filtering device that detects what is new in a scene of interest. Often compared to that of a temporal high pass filter,...

In the field of optics and imaging, a mesoscope refers to an optical instrument that is designed to observe and capture...

The production of an image on a magnetic film that is exposed to infrared radiation and heated to a point above Curie...

Acousto-optics is a branch of physics that deals with the interaction of sound waves (acoustic waves) and light waves...

A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...

A spectral signature, in the context of remote sensing and spectroscopy, refers to the unique pattern or characteristic...

Stochastic optical reconstruction microscopy (STORM) is a superresolution microscopy technique that enables imaging of...

A method of creating real three-dimensional models by using lasers driven by CAD software. In contrast to the normal...

In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...

An imaging system that uses a mosaic of tiny light-sensitive semiconductors (phototransistors) to produce individual outputs...

A vortex phase plate is an optical device designed to impart a phase singularity, commonly referred to as a vortex or phase...

Laser lithotripsy is a medical procedure that uses laser energy to break down or fragment stones in various parts of the...

The process of producing a visible two-dimensional image of a scene that is dependent on differences in thermal or infrared...

Deep multiphoton microscopy is an advanced imaging technique used in biological and biomedical research to visualize...

A beam shaper is an optical device or system designed to modify the spatial profile or intensity distribution of a laser or...

A fiber-coupled photoconductive antenna (FCPA) is a type of optoelectronic device that combines a photoconductive antenna...

A system that uses both reflection and refraction to achieve its focal power. While the relative powers of the lenses and...

Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...

Short wavelength infrared (SWIR) refers to the portion of the infrared spectrum that encompasses wavelengths roughly between...

A computer-generated routine for achieving true-temperature readings in thermal infrared imaging systems.

Imaging materials that generally consist of a polyester base, a transparent electrically conductive layer and an organic...

Raster scanning is a technique used in imaging and scanning systems to systematically capture and process information from a...

Diamond turning refers to a precision machining process used to produce complex optical components, particularly lenses and...

Digital holographic microscopy (DHM) is an advanced imaging technique that combines holography and digital image processing...

A filter designed to improve contrast in an imaging system. For visual and black and white photosystems, a yellow filter is...

In imaging technology, a device that converts raster or line-scan data to pixel form for further processing.

An imaging technique used in radiology that is based on the principles of nuclear magnetic resonance (NMR) to produce...

Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...

Also known as HCS, an analytical method designed to collect statistically relevant amounts of quantitative data on many...

A technique for obtaining improved resolution of images produced by large telescopes and distorted by the effects of...

In the context of imaging, particularly digital imaging and printing, "orange peel" refers to a texture or visual distortion...

A detector-Dewar assembly typically refers to a combination of a detector and a Dewar flask used in scientific instruments,...

A CMOS image sensor, short for complementary metal-oxide-semiconductor image sensor, is a type of semiconductor device used...

A photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely...

The full width at half maximum (FWHM) is a measure used in various fields, particularly in spectroscopy, signal processing,...

Fluoride fibers are optical fibers made from fluoride-based materials, typically fluoride glasses or crystalline fluoride...

Long-wave infrared (LWIR) refers to a specific range of the infrared spectrum. Infrared radiation is divided into three main...

A high-resolution imaging instrument that can detect and measure the positions of individual atoms on the surface of a...

Germanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor...

A scintillation detector is a radiation detection device that utilizes scintillation crystals to detect and measure ionizing...

A blackbody source, often simply referred to as a blackbody, is a theoretical or practical physical object that absorbs all...

Concave and convex spherical mirrors are types of curved mirrors that have surfaces shaped like segments of spheres. These...

Back-side illumination (BSI) is a technology used in imaging sensors, particularly in digital cameras, where the light is...

Actinic glass is a type of glass specifically designed to filter or block ultraviolet (UV) light and other forms of actinic...

Spatial resolution refers to the level of detail or granularity in an image or a spatial dataset. It is a measure of the...

The spectroscopic analysis of interference patterns using an electronic imaging tube with a Fabry-Perot interferometer to...

The third dimension (depth or Z-axis) in an imaging system.

Pixel pitch refers to the distance between the centers of two adjacent pixels on a display screen or imaging sensor. It is...

Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...

A medical imaging method in which gamma camera heads rotate about the patient to detect radionuclides, enabling physicians...

Photon flow created by imaging of light into a detector array; IPD is the electrical signal used by the image processor in a...

In computer imaging, a value representing opacity.

Two-photon excited fluorescence (TPEF) is a nonlinear optical method that allows imaging of biological cells and living...

A multiline laser system refers to a type of laser that is capable of emitting multiple discrete wavelengths or spectral...

In optics, the term vacuum typically refers to a space devoid of matter, including air and other gases. However, in...

High harmonic generation (HHG) refers to a nonlinear optical process in which intense laser light interacts with a gaseous...

Also known as single plane illumination microscopy (SPIM), this process was designed for imaging of sensitive samples and...

An absorbing wedge is an optical device used to control the intensity of light passing through it by absorbing a portion of...

Fluorescent proteins are proteins that exhibit the property of fluorescence, which is the ability to absorb light at a...

A night-vision device that uses one or more infrared transducers to scan a scene in the 3- to 5-µm or 8- to...

Linear receive optics typically refers to the optical components and systems used in the reception (detection) of linearly...

A technique that combines two or more imaging processes in order to minimize the disadvantages within each of the...

A photonic crystal surface-emitting laser (PCSEL) refers to a type of laser diode that emits light from its surface rather...

A radioactive element that is placed or injected into a system to obtain an autoradiogram of the system. It is used in a...

A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...

Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....

Quantitative phase imaging (QPI) is an advanced imaging technique used in microscopy to measure and analyze the optical...

Optical phase distortion refers to a phenomenon where the phase of an optical wavefront is altered as it propagates through...

Camera Link HS (high speed) is a standard developed for high-speed digital data transmission in machine vision and...

A coherent fiber bundle (CFB), also known as a coherent fiber optic bundle, is an assembly of multiple optical fibers...

A multidimensional array of values that is commonly used in programming to describe a time series of image data. Each...

A custom optic refers to an optical component that is designed, manufactured, and tailored to meet specific requirements or...

Time-correlated single photon counting (TCSPC) is a technique used in photon counting applications, particularly in the...

An optical instrument designed to displace the line of sight in a vertical direction. For submarines and other military uses...

Piezoelectricity is a property exhibited by certain materials in which they generate an electric charge in response to...

A meniscus lens is an optical lens that has one side that is concave (curved inward) and the other side that is convex...

Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...

A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...

Optical parametric amplification (OPA) is a process in nonlinear optics where a weak signal beam is amplified by a much...

Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...

A 2D profile sensor is a type of sensor used in various industrial and technological applications to measure and capture...

An imaging technique that labels all gray pixels as either black or white before processing begins.

A scintillation crystal, also known simply as a scintillator, is a material that emits light when it interacts with ionizing...

The formation of an image by a pinhole aperture that transmits radiation, such as gamma radiation.

A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...

The introduction of a filter into an imaging system to implement a phase contrast for an intensity mapping of a pure phase...

A photodiode detector is a semiconductor device that converts light into an electrical current. It operates based on the...

Accessible radiation refers to the portion of radiation from a source that can be reached or detected by humans,...

A PIN photodiode is a type of photodetector or semiconductor device used to convert light signals into electrical signals....

A swept-source laser, also known as a wavelength-swept laser, is a type of laser that rapidly and continuously changes its...

A spatial light modulator (SLM) is an optical device that modulates or manipulates the amplitude, phase, or polarization of...

A photon-counting instrument for use in both space-borne and ground-based photometric and spectroscopic instrumentation....

Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...

An imaging process, similar to specific Doppler mapping radar techniques, that utilizes a laser, an optical imaging system,...

Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...

The modulated transfer function (MTF) is a measure used in optical engineering and imaging science to describe the ability...

A single-photon avalanche diode (SPAD) is a specialized type of photodetector designed to detect extremely weak optical...

Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera,...

Optical artifacts refer to undesired or unintended effects that can occur in optical systems, such as microscopes, cameras,...

Meta-optics, also known as metasurface optics or flat optics, is a branch of optics that involves the design, fabrication,...

Cathode radiant sensitivity refers to the ability of a photocathode to convert incident radiant energy, typically in the...

Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture...

Excimer laser coronary angioplasty (ELCA) refers to a medical procedure used in the treatment of coronary artery disease....

A photomicrograph is an image taken through a microscope, typically using a camera attached to the microscope's eyepiece or...

A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....

An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...

An axicon is a type of optical component characterized by its conical shape and its ability to transform a collimated...

An imaging technique in which an object moving through an interference field formed in space scatters light and is spatially...

Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...

An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...

Photoacoustic refers to the generation of acoustic (sound) waves following the absorption of light (usually laser pulses) by...

The Abbe sine condition is a fundamental principle in optical physics that relates to the performance of an optical system,...

Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...

A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material...

A feature of some imaging devices, such as digital cameras, that allows them to compensate for different lighting conditions...

Attenuation refers to the gradual loss or reduction of intensity, force, or magnitude of a particular property as it...

Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...

An infrared imaging device composed of a detector array and readout electronics. It may include a cryogenic cooling system....

In infrared imaging systems used for mass screening of printed circuit boards or other quality control applications, an...

A retroreflector is an optical device or structure that reflects incident light or electromagnetic waves back to their...

Active optics refers to a technology used in telescopes and other optical instruments to improve the quality of images by...

Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light...

Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...

Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...

A device that prevents electrons from a saturated pixel in a CCD imaging device from spilling into an adjacent pixel. The...

Metasurfaces are two-dimensional arrays of subwavelength-scale artificial structures, often referred to as meta-atoms or...

An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...

A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...

Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...

An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...

Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...

Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of...

Time-lapse optical coherence tomography (OCT) refers to a medical imaging technique that captures a series of sequential OCT...

Rhodamine refers to a family of fluorescent organic dyes that are widely used in various fields, including biology,...

A type of microscope that uses radiation in the infrared region to illuminate objects that are opaque to visible radiation....

An infrared camera, also known as a thermal imaging camera or IR camera, is a device that captures and visualizes the...

A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...

A thermal infrared imaging procedure developed for quality control of printed circuit boards. The thermogram of each board...

The field of view (FOV) refers to the extent of the observable world or the visible area that can be seen at any given...

Enhanced picture archiving and communication system (PACS) display (ePAD) is a software tool used in medical imaging to...

A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...

In a thermal imaging system, the change in temperature that yields a signal-to-noise ratio of unity.

Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...

The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...

Autofluorescence refers to the natural emission of fluorescence exhibited by certain biological structures or molecules when...

An InGaAs photodiode refers to a photodetector device that is constructed using a semiconductor material composed of a...

Label-free refers to a technique or method that does not require the use of additional labels, tags, or markers to detect or...

Catoptrics is the field of optics concerned with the reflection of light from reflective surfaces such as mirrors. It...

A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light...

Also known as OCT-A, optical coherence tomography angiography is an imaging technique that uses light waves to measure...

RGB stands for red, green, blue, which are the primary colors of light used in additive color mixing. The RGB color model is...

A femtosecond laser is a type of laser that emits ultrashort pulses of light with durations on the order of femtoseconds,...

A visual system including a tiny television tube and imaging optics, all contained in a helmet to be worn by pilots in...

Single molecule localization microscopy (SMLM) is a group of super-resolution microscopy techniques that surpass the...

A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...

Quantum sensing refers to a class of sensing technologies that leverage principles from quantum mechanics to enhance the...

An ultrafast pulsed laser is a type of laser that emits extremely short pulses of light with durations typically on the...

Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light...

Deep ultraviolet (DUV or deep-UV) refers to a specific range of ultraviolet light with shorter wavelengths than those in the...

The imaging of two photographs of a stereo pair, in complementary colors, for the preparation of contour maps.

A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...

A method used in imaging to detect subtle differences between two apparently similar pictures. It can be achieved by...

A process used to detect minute gravitational fields and to display images from objects by means of radiated gravitational...

A phase screen, in the context of optics and wave optics, refers to a surface or medium that introduces a phase delay to an...

A color center, in the context of materials science and condensed matter physics, refers to a specific type of...

Broadband dielectric mirrors, also known as broadband mirrors, are optical coatings designed to efficiently reflect or...

A device that changes the number of lines per frame of a video image to adapt to a lower resolution format, either by...

A digital imaging method whereby the first gray level in the ordered sequence and the position of the first lengths of all...

Optical aberration refers to imperfections or deviations from ideal optical behavior in an imaging system, such as a lens or...

A calcium indicator is a molecule that is sensitive to changes in calcium ion (Ca2+) concentrations in biological systems....

Array used in coded-aperture imaging experiments with two-beam CO2 lasers that provide an artifact-free process, faithful...

Abbreviated PAI. An imaging modality with a hybrid technique based on the acoustic detection of optical absorption from...

An artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on...

An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials...

Backscatter refers to the phenomenon in which radiation or waves are scattered backward, opposite to the direction of the...

An artificial material, engineered to have a negative refractive index value, such that light or any other form of...

An imaging device whose technology contributes three specific advantages: ability to study large solid specimens that...

Quantum-enhanced metrology refers to the use of quantum mechanics principles and techniques to enhance the precision and...

A function that quantifies the performance degradation of coherent communications systems, imaging systems and all systems...

A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium...

Intravital microscopy is an imaging technique used to visualize biological processes within living organisms, typically in...

Line scan refers to a method of capturing images or data by scanning a single line at a time, as opposed to capturing the...

A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...

Pixel binning, also known as pixel merging or pixel combining, is a technique used in digital imaging and camera technology....

The formation and display of three-dimensional images by ultrasonic energy. In one technique, the energy pulses from an...

A fluorescent screen refers to a phosphorescent or fluorescent-coated surface that emits visible light when exposed to other...

Virtual histology refers to the use of digital technology and computational methods to simulate or recreate histological...

Swept-source optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

A CCD image sensor, or charge-coupled device image sensor, is a type of electronic device used to convert optical images...

Optoacoustic, or photoacoustic, refers to a phenomenon and related techniques that involve the generation of acoustic waves...

A cryogenically cooled long-wave infrared (LWIR) camera is a specialized thermal imaging device designed to detect infrared...

The acceptance pattern, often used in the context of antennas and optical systems, refers to the spatial distribution of the...

Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...

Supercontinuum refers to a broad spectrum of light that spans a wide range of wavelengths, typically from the visible to the...

An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...

Acousto-optic deflection refers to a phenomenon where the trajectory of light is altered by acoustic waves propagating...

A linear image sensor is a type of solid-state electronic device used to capture and convert light into electrical signals....

Phototheranostics, a portmanteau of "photo" (light), "therapy," and "diagnostics," refers to an emerging field that combines...

Scientific complementary metal-oxide semiconductor (sCMOS) refers to a type of image sensor technology specifically designed...

A defect in an optical system that prevents rays from reaching their intended destination; it can be caused by an undersized...

Absolute white is a term used in color science and imaging to describe a reference white point that represents the...

Holographic tomography is an advanced imaging technique that combines holography and tomography to provide three-dimensional...

A metal-semiconductor-metal (MSM) photodiode is a type of photodetector that consists of metal electrodes on a semiconductor...

MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...

Lensless microscopy, also known as computational or holographic microscopy, is an imaging technique that captures and...

Functional near-infrared spectroscopy (fNIRS) is a non-invasive neuroimaging technique that measures changes in hemoglobin...

MWIR stands for mid-wave infrared, referring to a specific range of wavelengths within the infrared spectrum. Infrared...

In imaging technology, assigning color to black and white images to differentiate features or convey information. Also...

Method for reducing laser speckle in which the object field comes from a real diffuse object or the reconstructed object...

A grating beamsplitter is an optical device that utilizes the principles of diffraction to split a beam of light into...

Diamond turning, also known as diamond machining or diamond cutting, is a precision machining process used to produce...

Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...

A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a...

Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1...

Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...

Freeform mirrors refer to reflective optical components that deviate from traditional symmetric or rotationally symmetric...

Magneto-optics refers to the study and manipulation of the interaction between magnetic fields and light (electromagnetic...

A synchrotron is a type of particle accelerator that uses magnetic fields to steer charged particles, typically electrons or...

A linear or two-dimensional matrix of individual detector elements, typically used at the focus of an imaging system.

In imaging, the processing of pixel data in such a way that a group of pixels is analyzed at one time rather than one pixel...

A method of measuring flow velocity by seeding the flow with neutrally buoyant particles and using a pulsed laser to...

An imaging device originally created to image whole mouse brain volumes at microscopic resolution. The main component of the...

1. With respect to angular subtense, a source of light, such as a star, that is very small. In a lab, a point source may be...

A thermal-infrared camera, often referred to simply as a thermal camera, is a type of imaging device that detects infrared...

An event-based image sensor, also known as a dynamic vision sensor (DVS), is a type of digital imaging device designed to...

A high-sensitivity camera is a type of camera designed to perform well in low light conditions, capturing clear and detailed...

A scientific CMOS (complementary metal-oxide-semiconductor) camera is a type of digital camera specifically designed for...

The science of producing, recording, storing, transmitting and displaying visual images by any system (photographic, video,...

An infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of...

Spatial light interference microscopy (SLIM) is an optical microscopy technique that belongs to the category of quantitative...

A photonic engine refers to a device or system that utilizes photonics, or the science and technology of generating,...

An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...

STED microscopy, or stimulated emission depletion microscopy, is a superresolution imaging technique in fluorescence...

Piezoelectric transducers are devices that utilize the piezoelectric effect to convert electrical energy into mechanical...

Ophthalmology is a branch of medicine that focuses on the anatomy, physiology, and diseases of the eyes and visual system....

In a thermal imaging system, the smallest change in blackbody equivalent temperature that can be detected clearly by the...

Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...

Nanoplasmonics is a branch of nanophotonics that focuses on the study and manipulation of optical phenomena at the nanoscale...

Seidel aberrations refer to a set of monochromatic aberrations in optical systems, named after the German mathematician and...

Dual-chirped optical parametric amplification (DC-OPA) is an advanced technique in ultrafast laser technology used to...

Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...

Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes,...

Surface-enhanced Raman spectroscopy (SERS) is an analytical technique that combines the principles of Raman spectroscopy...

A photon jet is a narrow, highly collimated beam of light that is formed when light interacts with small dielectric...

The point spread function (PSF) is a fundamental concept in imaging that describes the response of an imaging system to a...

Second-order nonlinear optical properties refer to a class of phenomena exhibited by certain materials in response to...

Acutance refers to the perceived sharpness of an image in terms of the contrast of edges, rather than the resolution of fine...

A nonmagnetic instrument utilizing an electrofocus and deflection tube with a photocathode for imaging purposes. The optical...

An image intensifier, also known as an image intensification tube or image intensification device, is a specialized...

Medical lasers are devices that produce intense beams of light with specific characteristics and properties, which are used...

High dynamic range (HDR) refers to a technology that allows for a broader and more dynamic range of luminosity in visual...

Radioactivity refers to the spontaneous emission of radiation from the nucleus of an unstable atom. This emission occurs as...

In optics, the term image jump refers to a displacement or shift in the apparent position of an image when a change occurs...

A microlens array is a grid-like structure composed of numerous small lenses, typically arranged in a regular pattern. Each...

Three-photon microscopy is an advanced imaging technique that belongs to the family of multi-photon microscopy methods. It...

Photoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals....

Optical addressability refers to the capability to control or manipulate individual elements that emit or modulate light...

An acoustical hologram refers to a three-dimensional representation of sound waves in space, analogous to optical holography...

An imaging process in which the single opening of a simple pinhole camera is replaced with many openings called,...

A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...

A device used in ultrasonic imaging to measure the velocity and attenuation of compressional waves in a transparent liquid...

A sensor generally used for infrared imaging. It consists of two chambers separated by a thin, blackened membrane. An...

Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...

1. The anode or anticathode of an x-ray tube that emits x-rays when bombarded by electrons. 2. The screen in a television...

A photon sieve is an optical device used in the field of optics and imaging. It's designed to focus and shape light,...

Accessible emission typically refers to the portion of emitted radiation (light, particles, etc.) from a source that can be...

Phase contrast microscopy is an optical microscopy technique that enhances the contrast of transparent and colorless...

A mid-infrared camera is a type of imaging device designed to capture images in the mid-infrared (mid-IR) spectral range,...

An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...

Photoluminescence is a phenomenon in which a material absorbs photons (light) at one wavelength and then re-emits photons at...

A scanning electron microscope (SEM) is a powerful imaging instrument used in scientific research, materials...

Instantaneous field of view (iFOV) is a term commonly used in the context of remote sensing, imaging systems, and optical...

The term delta error (delta-E) generally refers to the difference or change in error between two values or states. The word...

Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

Photogrammetry is a technique used to obtain accurate three-dimensional measurements of objects and environments through the...

Visual detection and ranging (ViDAR) is a technology that utilizes optical sensors, such as cameras or other imaging...

CoaXPress (CoaXPress or CXP) is a standardized digital interface and communication protocol used primarily in machine vision...

A biomarker, short for biological marker, refers to a measurable and quantifiable indicator of a biological condition,...

Liquid or fluid optics refers to the use of liquids to create or enhance optical systems. These systems leverage the unique...

In the context of optical materials, the term "impurity level" refers to the presence of foreign atoms or molecules within...

A line-scan camera, also known as a line-scan image sensor or linear array camera, is a type of digital camera designed to...

A pixel, short for "picture element," is the smallest controllable element of a digital image or display. It is a...

Acoustical holography is a technique used to visualize and analyze sound fields in three-dimensional space. It involves...

Camera designed for the imaging of the earth's surface in order to obtain high quality aerial images

A formula indicating that, for an imaging lens system, the image brightness for off-axis points will fall off at a rate...

A subsurface imaging technique based upon the polarization of light reflected off an object. The polarization of reflected...

A noncontact, nondestructive method of measuring defects in thin composite materials, using a xenon flashtube to generate...

Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast microscopy, is an optical...

A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists...

Medical diagnostic (x-ray) imaging using laser printers to produce high-resolution digital hard copy instead of film exposed...

A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...

Acousto-optic modulation refers to the process of using acoustic waves to modulate the properties of light passing through...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

A CCD camera, or charge-coupled device camera, is a type of digital camera that utilizes a CCD image sensor to capture and...

The movement of the eye as it focuses on details of a scene. Some imaging systems mimic this movement by small, rapid...

Acousto-optic diffraction refers to the process where light passing through an optically transparent material is diffracted...

Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...

Luminescence is the emission of light that occurs without the involved substance undergoing a significant increase in...

A long-pass filter is an optical filter that allows longer wavelengths of light to pass through while blocking or...

Reflectance confocal microscopy (RCM) is a non-invasive imaging technique that allows for high-resolution, in vivo imaging...

Adaptive deconvolution is a computational method that aims to improve the resolution and fidelity of signals or images that...

Noise equivalent thermal distance (NETD) is a performance metric used to quantify the sensitivity of thermal imaging...

Fluorescence microscopy is a specialized optical imaging technique used in biology, chemistry, and materials science to...

A wireless stereo imaging device used in conjunction with a monitor to produce a virtual interactive environment. Liquid...

Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by...

A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...

Agri-photonics refers to the application of photonics technologies in agriculture. Photonics involves the generation,...

Structured illumination microscopy (SIM) is an advanced optical imaging technique used in microscopy to enhance the...

A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...

A free-electron laser (FEL) is a type of laser that generates coherent, high-intensity electromagnetic radiation by using a...

A medical imaging device that uses a ring of crystal/photomultiplier tube assemblies encircling the patient to detect gamma...

Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but...

Equipment that supports microscopic live-cell imaging by managing the gas, media perfusion, temperature and other factors to...

Coded image obtained optically with a nonredundant pinhole array imaging aperture.

A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...

The distance, on either side of the object plane focused on, through which satisfactory image definition can be obtained....

Digital Imaging and Communications in Medicine (DICOM) is an international standard for medical imaging created by both the...

A high-speed motion camera, also known as a high-speed camera or slow-motion camera, is a specialized imaging device...

A nitrogen vacancy (NV) refers to a specific type of defect or impurity in a crystal lattice where a nitrogen atom replaces...

Bioluminescence is a natural phenomenon in which living organisms produce and emit light through a chemical reaction...

A frame taken to identify electronic noise in a CCD imaging device. A dark frame is recorded without exposing the CCD to any...

Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...

An imaging system designed to highlight small deviations in a planar reflective object such as a mirror. The system can be...

In optics and photonics, "phase" refers to a property of electromagnetic waves, such as light, that describes the position...

The term light field refers to the spatial distribution of light rays traveling in all directions through a given space. It...

An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...

An aptamer is a short, single-stranded DNA or RNA molecule that can bind to a specific target molecule with high affinity...

An InGaAs (indium gallium arsenide) camera is a type of imaging device that utilizes InGaAs sensors to capture images in the...

Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...

An acousto-optic tunable filter (AOTF) is a device that utilizes the acousto-optic effect to selectively filter and transmit...

Optofluidics is an interdisciplinary field that combines principles from optics and fluidics to create devices and systems...

Pyramid error in optics refers to an aberration in the shape of an optical surface, particularly in the context of mirrors....

A method of measuring distance by recording a single scene from two points of perspective. Surveying instruments can be...

Passive optical components are devices or elements used in optical systems that do not require external power or active...

Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...

In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...

On-board optics refers to optical systems integrated into devices or platforms for various purposes, such as imaging,...

Actinic focus refers to the point or plane within an optical system where ultraviolet (UV) light or other actinic radiation...

A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly...

Imaging radar that increases the sweep of its along-track (or azimuth) capacity by measuring not only the time delay of the...

Extreme ultraviolet (EUV) refers to a specific range of electromagnetic radiation in the ultraviolet part of the spectrum....

Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...

A neuromorphic vision sensor is a type of imaging device designed to mimic the structure and functioning of the human visual...

Also called scanning laser acoustic microscope. A device that uses high-frequency ultrasound waves to penetrate surfaces. A...

A digital imaging method whereby the first gray level of each sequential point-by-point sample and its position in the...

An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...

A silicon photodiode is a semiconductor device that converts light into an electrical current. It is a type of photodetector...

Fluorescence imaging technique in which the excitation light from the objective is directed into the sample producing...

Nonlinear optical materials are substances that exhibit optical properties that are not linearly proportional to the...

A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...

A Dammann grating is a type of diffractive optical element (DOE) used to create an array of equally spaced,...

An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...

A unique glass made up of nano-structured materials to create millimeter sized monolithic glass space-variant polarization...

An absorption lens is a type of optical lens that not only focuses or diverges light but also significantly absorbs certain...

An optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a...

Infrared optics refer to optical components and systems designed to manipulate and control infrared (IR) light, which lies...

The additive color process refers to the method of creating color by combining different wavelengths of light. This process...

Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the...

A phenomenon, exploited for medical imaging, in which the nuclei of material placed in a strong magnetic field will absorb...

A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...

CID, or charge injection device, camera refers to a type of imaging device that utilizes a specific kind of solid-state...

A coverslip, also known as a cover glass or cover slip, is a thin and flat piece of transparent material typically made of...

A time-to-amplitude converter (TAC) is an electronic circuit that converts a time interval between two events into an...

A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such...

In optics and photolithography, a phase mask refers to a device that modifies the phase of light waves passing through it....

Low Earth orbit (LEO) refers to a region in space that is relatively close to Earth's surface, typically characterized by...

Second-harmonic generation (SHG) is a nonlinear optical process that occurs when two photons with the same frequency combine...