A technique for determining the nonlinear optical properties of a sample material by moving the sample through a focused laser beam and measuring changes in the beam's characteristics, such as intensity, as the sample changes position.

A diode laser is a type of laser that uses a semiconductor diode as the active medium to generate coherent light....

The instrument used to collect thermal radiation information on an object by scanning. It consists basically of a detector,...

The picture area scanned per second.

Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...

Abbreviation of "synchronization.'' In television, the timing signals used to drive the scanning process. Horizontal...

The use of miniature scanners to project raster-scanned video images directly onto the surface of the human retina,...

A microdensitometer that contains a scanning stage to provide simultaneous representations of position vs. density.

A camera designed to form a continuous record of an expansive section of the horizon. The typical panoramic camera is...

A measurement technique used to determine the spatial distribution profile of an electrical or optical quantity of interest...

A strip or annulus of glass coated with a semitransparent material such as inconel. The coating thickness, and as a result...

An astronomical scanning technique for capturing images of stars without moving the sensor. To perform a drift scan, a CCD...

An instrument that uses a beam of light to scan a color transparency, and three differently filtered photosensors to record...

A character generation CRT that functions on the principle of secondary emission. The target holds a set of aluminum...

A family of lenses commonly used in scan systems for reading or printing documents. The lens must be designed such that the...

The storage surface of an electron beam tube that is scanned by an electron beam to generate an output-signal current...

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

Technique using functional optical microscope with the addition of a coherent source collinear with the image path. The...

A device used to scan, with a small, intensely bright spot, portions of a picture surface and to transform the original...

A scanner in which a fiber optic assembly replaces a lens system.

A phase reflection scanner that eliminates the need for a complex translation device while maintaining a high-energy-density...

An instrument used to record the emittance or reflectance of an object by scanning with discrete spectral resolution over a...

The superimposition of a pilot object on each hologram. The fixed relative position of the scanning and pilot beam during...

Complex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the...

Made up of four elements; for instance, gadolinium, scandium, gallium and garnet (GSGG).

Selective laser melting (SLM) is an additive manufacturing (AM) or 3D printing technology that belongs to the powder bed...

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

The record formed on paper by a scanner.

Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with...

A device consisting of a disc with a spiral arrangement of holes that is used to convert visible patterns into electrical...

A spectroradiometer having a means to scan different regions of the light spectrum, providing simultaneous representations...

A type of mosaic detector array that combines features of scanning and staring sensors by using a small rapid scanning...

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

A group of photosensors arranged in a grid-like pattern covering the entire field of view, enabling them to record it all at...

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

An erasable data recording and storage medium that uses a laser to heat the crystalline surface of the disc to a certain...

Image distortion that occurs when the axes of the original image are not perpendicular in the resulting image, making the...

The series of equally spaced parallel slits that make up a scanning aperture in place of a single slit, in the scanning of a...

An automatic scanning instrument that is used to study a substance's fluorescence over a wide range of wavelengths. It...

In television, the number of individual pixels that can be distinguished in a horizontal scanning line; also called...

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

Measures by heterodyning interferometry the local slope of a vibrating sample. The method allows the reconstruction of a...

A device composed of a light source and phototube used to scan a moving strip of material in photoelectric side-register...

The deflection of a beam of electrons, at regular intervals, across a cathode-ray tube screen, according to a definite...

An optical barcode reader, commonly known as a barcode scanner, is a device that uses optical technology to capture and...

A device that permits the adjustment of facsimile transmitters and recorders so that their scanning lines stop and start at...

Also known as analog thermogram. The resultant photograph, illustrating, in tones ranging from black to white, the spatial...

The maintenance of the same scanning relationship between the transmitting scanning spot and receiving scanning spot for...

Photographing of terrain on the ground and objects in the air by cameras mounted in aircraft; utilized in satellites,...

In a cathode-ray tube, the deflection of the beam of the tube over an angle that surpasses the angle that subtends the...

A device that measures the spatial distribution of energy perpendicular to the propagation path of a radiant beam. An energy...

A photosensitive device used to optically scan and read character data (numbers, letters etc.) and input this data into a...

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

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

Technique using a fiber optic assembly to illuminate an opaque object and transmit an image back from it without a lens...

An instrument similar to the spectroheliograph, but having a scanning method that is performed by a pair of rapidly...

A device used to determine the location and attitude with respect to the Earth of orbiting spacecraft by detecting the...

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

A transmission electron microscope (TEM) is a powerful microscopy technique that uses a beam of electrons to create...

A television system that uses a slow rate of horizontal scanning to increase its reproduction and transmittance accuracy of...

A contour mapping technique that uses electronic scanning and sampling techniques instead of a reference grating (see moire...

A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...

A camera used in scintillation recording to make a visible record of the distribution and relative concentration of...

Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics....

3D Laser Triangulation - A technology that allows sensors to probe the surroundings. Laser triangulation systems have an...

An electron tube that stores and visually displays information by means of a cathode-ray-beam-scanning and charge-storage...

A scanning process in which the greatest amount of radiation determines part of a spiral motion rotating in one direction.

An optical scanning system found in most computer scanners that can read documents, often in many type styles, and convert...

The intensity distribution seen when scanning the image of a line, in the direction perpendicular to that line.

A Risley prism, also known as a Risley prism pair or Risley rotating prism, is an optical device used for controlling the...

1. The continuous thin strip marked by the scanning beam. Generally, during return of the scan, the line is blanked out. 2....

A method used in facsimile scanning that sweeps the elemental area across the copy in a spiral motion as the result of the...

A scanning technique in optical character recognition in which an array of photocells is used to scan each character to...

A type of liquid-crystal display in which each display element contains an active component, such as a thin-film transistor,...

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

A system mounted a few inches above a moving plane that consists of a light source, lenses and one or more phototubes. In...

Scanning characterized by the generation of a plane or right circular cone with a vertex angle of about 180° by the...

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

A method that uses electronic means to move the scanning spot along the scanning line.

The process by which the light from the images of photographic film is encoded into electrical signals for video...

The technique for measuring the index profile of an optical fiber by scanning the entrance face with the vertex of a high...

A cathode-ray tube that serves as a picture tube in a television receiver. The signal representing the picture intensity is...

A light, radar or electron beam used to scan according to a particular method.

A device designed to enlarge the image of a microscopic object by television process. It may be a flying spot scanner that...

A two-dimensional scanning process, in which a slow sector scan, propagated in one direction, is superimposed at right...

Describing the standard television method of raster scanning in which the image is the product of two fields, each of which...

1. The direct storage of data as bits in memory using optical systems and properties. The memory makes use of a laser beam...

A hologram facet illumination technique in which the illuminating beam is twice the size of the hologram facet so that full...

The electron beam tube of a television camera that converts an optical image into a pattern of electrostatic charges and...

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

A display in which regeneration takes place serially at a fixed speed in a set pattern through the scan lines.

The number of fields scanned per second in a television system. The US standard is 60. Also called field frequency.

A microscope design that involves apertures inserted in conjugate plane positions inside the microscope, with one aperture...

1. To center an image or place it in any part of the television screen desired. Also applies to stills. 2. A single image of...

An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and...

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

The signal-to-noise ratio (SNR) obtained with a Fourier transform spectrometer when detector noise prevails, which exceeds...

The number of times per second that the frame of a television system is completely scanned. In the United States, 30 per...

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 direct recording photometer that is designed to scan a photographic negative to determine its points of isodensity.

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

Laws that predict the maximum power output as a function of tube diameter for a hydrogen cyanide laser of a given discharge...

An image-processing device that scans in a straight line parallel to the axis of a rotating cylinder to which the material...

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

A spectroscopic technique that combines the high chemical specificity of Raman scattering and signal sensitivity provided by...

Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into...

A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...

A reticle carrying patterns of various forms that can be rotated in an optical beam to cause variations in the intensity of...

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

An optical system used to collect infrared energy from a scene using scanning optics with a point or line detector, as...

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

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

The successive analysis or synthesizing of the light values or other similar characteristics of the components of a picture...

The process of mapping the infrared emittance of an area through the use of an infrared detector and related scanning...

The reproduction of a picture or image, produced by scanning the image and converting it into electrical signals that carry...

Complex devices, often involving a computer, in which a photograph is scanned by a point of light, the amplitude of the...

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

A ground-based navigation beacon that emits pulsed signals which are picked up by aircraft making an instrument (blind)...

1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.

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

A camera tube that employs a high-velocity electron beam to scan a photoemissive mosaic and to store electrical charge...

See atomic force microscope; magnetic force microscope; near-field scanning optical microscope; scanning tunneling...

A type of recording in which the recording line remains fixed and the recording medium is fed past the recording device.

A scanning technique in which the object is illuminated the entire time, and in which picture elements of the object are...

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

An infrared device used in satellites and rockets to determine a heat horizon for the Earth at altitudes (above 200 miles)...

In an interlaced scanning electro-optical system such as television, the system resolution will be less than the number of...

A technique used to measure the mode-field diameter of an optical fiber by scanning one fiber past another at a distance of...

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

Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...

A variation of the atomic force microscope that operates by scanning a tiny ferromagnetic probe (or a magnetized tip) over a...

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

A disc composed of a series of holographic optical elements that diffract light at various angles. When spinning, a raster...

The number of unique ways in which a part can move in an alignment system. In static alignment, there are six: one in the...

Developed for use in military reconnaissance systems, it consists of a polygonal mirror, drive motor, interface between...

A scanning device used to cyclically tune through a given frequency range to determine the amplitude-frequency distribution...

The scanning of a region in a given sequence of slender, straight parallel strips.

The scanning of photographs or transparencies of images, either by a vidicon camera or flying spot scanner, for the...

A document-transmitting process that uses a cylinder that rotates the document to be scanned and detected by a photoelectric...

Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...

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

A scanning technique in which the optical density of the film being scanned controls the speed of deflection of the scanning...

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 method of scanning in which a frame transfer device produces a continuous video image of a moving object by means of a...

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

A cathode-ray tube that generates symbols for use in other displays. The tube operates by scanning specific characters on...

Any of the photoelectric and thermal detectors, spectrographs and monochromators, thermographs, scanners, amplifier tubes,...

A device used to transmit and receive images that have been converted to electrical signals over regular telephone lines; it...

Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...

A device used to scan images or information on photographic film for the subsequent relay of information.

The holographic recording of the pattern formed by two sets of coherent microwaves that interfere at a scanning plane. A...

A nondestructive testing method for very large scale integration circuits, using a scanning electron microscope to monitor...

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

The spot illuminated on a cathode-ray tube by the initial impact of the scanning ray and the screen.

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

A sequential scanning device, utilizing a revolving lens, in which the cathode-ray tube image is transformed into a circle...

An electron-gun system is an assembly used to generate and control a focused beam of electrons. Electron guns find...

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

An optical scanning device designed to read information printed in the form of bars of different size by detection and...

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

A scanning laser radar system applied to transmission and concentration analysis in three dimensions of clouds as well as...

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

A category of systems designed to communicate a photo taken from the air (e.g., aircraft, balloon, satellite) to a ground...

A system by which consumer products are assigned a bar code that is read by a scanner at a cash register, enabling...

A method in optical character recognition in which a mobile light beam scans the outlines of characters for subsequent...

A camera tube widely used in television broadcasting. It consists of three sections within a single vacuum envelope. 1. A...

Referring to the bandwidth and spectrum location of the signal produced by television or radar scanning.

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

1. A device used to trace out an object and build up an image. One of the most common of these types is video scanning. The...

1. In raster scan television, one of the two scans that are interlaced to make up a frame. 2. See field of view.

A measurement of the spatial resolution of a line or area array in an optical character recognition scanning device.

An instrument in which an image of the sun is scanned by the entrance slit of a monochromator, the exit slit simultaneously...

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

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 resulting interference pattern generated from moiré deflectometry, the moiré pattern is a pattern...

A multifaceted holographic disc that is rotated by a motor to deflect incident light to a scanning system's lens.

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

Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and...

A scanning probe microscope that analyzes the surface of a specimen by recording the intensity of light as it is focused...

A television camera tube in which a low-velocity electron beam scans a photoactive mosaic that has been created by an...

A display device having a thermoplastic film as the control layer medium. The film, moving from a playoff reel, is scanned...

The method of acquiring characteristic x-ray spectra from microscopic samples by use of the combination of a scanning...

In interlaced television scanning, an effect in which the lines of one field fail to fall exactly within the lines of the...

A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic...

The pattern of lines traced by rectilinear scanning in display systems.

A loss of resolution or detail in a television signal caused by the size of the electron scanning beam.

A point cloud is a set of data points in a three-dimensional coordinate system, where each point represents a specific...

Also known as RAMP microscopy, random access multiphoton microscopy is a microscopic technique that uses multiple...

A microscope that uses a flying spot scanner, directed through the eyepiece, as a light source to determine the features of...

In field-sequential color television, the rotating tricolor disc placed between the subject and the lens, or between the...

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

The method by which photographic film is scanned by an electron beam. One technique uses the uniform light of a television...

Rare-earth elements (REEs) are a group of seventeen chemical elements found in the Earth's crust, characterized by their...

Raster scanning process like that of television: each line is scanned successively.

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

A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in...

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

An acousto-optic modulator (AOM) is a device that utilizes the interaction between sound waves and light waves to modulate...

Monolithic self-scanning linear image sensor array for multichannel spectroscopy with a spectral range of from 200 to 1000...

The picture formed by the scanning beam of electrons in a scanning electron microscope.

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

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