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PI Physik Instrumente - Semiconductor Applications 5/24 ROS LB
scanning Dictionary Terms

overillumination
A hologram facet illumination technique in which the illuminating beam is twice the size of the hologram facet so that full...
microscopy
Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...
scanning spot
The spot illuminated on a cathode-ray tube by the initial impact of the scanning ray and the screen.
interlaced
Describing the standard television method of raster scanning in which the image is the product of two fields, each of which...
plasma-coupled device
Monolithic self-scanning linear image sensor array for multichannel spectroscopy with a spectral range of from 200 to 1000...
dynamic stare sensor
A type of mosaic detector array that combines features of scanning and staring sensors by using a small rapid scanning...
spectrum analyzer
A scanning device used to cyclically tune through a given frequency range to determine the amplitude-frequency distribution...
linear image sensor
A linear image sensor is a type of solid-state electronic device used to capture and convert light into electrical signals....
optical page reader
An optical scanning system found in most computer scanners that can read documents, often in many type styles, and convert...
image orthicon
A camera tube widely used in television broadcasting. It consists of three sections within a single vacuum envelope. 1. A...
drift scan
An astronomical scanning technique for capturing images of stars without moving the sensor. To perform a drift scan, a CCD...
area scan
Area scan, in the context of imaging and cameras, refers to a method of capturing an entire two-dimensional image in a...
horizontal resolution
In television, the number of individual pixels that can be distinguished in a horizontal scanning line; also called...
retina
1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.
gamma camera
A camera used in scintillation recording to make a visible record of the distribution and relative concentration of...
pairing
In interlaced television scanning, an effect in which the lines of one field fail to fall exactly within the lines of the...
electron-beam lithography system
An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and...
near-field scanning
A measurement technique used to determine the spatial distribution profile of an electrical or optical quantity of interest...
scanning tunneling microscope
A high-resolution imaging instrument that can detect and measure the positions of individual atoms on the surface of a...
moiré pattern
The resulting interference pattern generated from moiré deflectometry, the moiré pattern is a pattern...
infrared mapping
The process of mapping the infrared emittance of an area through the use of an infrared detector and related scanning...
direct scanning
A scanning technique in which the object is illuminated the entire time, and in which picture elements of the object are...
framer
A device that permits the adjustment of facsimile transmitters and recorders so that their scanning lines stop and start at...
overscanning
In a cathode-ray tube, the deflection of the beam of the tube over an angle that surpasses the angle that subtends the...
scanning acoustic microscope
Also called scanning laser acoustic microscope. A device that uses high-frequency ultrasound waves to penetrate surfaces. A...
saccadic motion
The movement of the eye as it focuses on details of a scene. Some imaging systems mimic this movement by small, rapid...
scanning electron micrograph
The picture formed by the scanning beam of electrons in a scanning electron microscope.
scanning electron microscopy
Scanning electron microscopy (SEM) is an advanced imaging technique used in microscopy to obtain high-resolution,...
spectral domain optical coherence tomography
Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...
time delay integration
A method of scanning in which a frame transfer device produces a continuous video image of a moving object by means of a...
multiple slits
The series of equally spaced parallel slits that make up a scanning aperture in place of a single slit, in the scanning of a...
sync
Abbreviation of "synchronization.'' In television, the timing signals used to drive the scanning process. Horizontal...
spectrohelioscope
An instrument similar to the spectroheliograph, but having a scanning method that is performed by a pair of rapidly...
variable-speed scanning
A scanning technique in which the optical density of the film being scanned controls the speed of deflection of the scanning...
rolling shutter artifacts
Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with...
near-field scanning optical microscope
A scanning probe microscope that analyzes the surface of a specimen by recording the intensity of light as it is focused...
scanning spectroradiometer
A spectroradiometer having a means to scan different regions of the light spectrum, providing simultaneous representations...
magnetic force microscope
A variation of the atomic force microscope that operates by scanning a tiny ferromagnetic probe (or a magnetized tip) over a...
scanning moire topography
A contour mapping technique that uses electronic scanning and sampling techniques instead of a reference grating (see moire...
power scanning laws
Laws that predict the maximum power output as a function of tube diameter for a hydrogen cyanide laser of a given discharge...
dots per inch
A measurement of the spatial resolution of a line or area array in an optical character recognition scanning device.
hyperspectral imaging
Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the...
visual storage tube
An electron tube that stores and visually displays information by means of a cathode-ray-beam-scanning and charge-storage...
scanning probe microscope
See atomic force microscope; magnetic force microscope; near-field scanning optical microscope; scanning tunneling...
flying spot scanner
A device used to scan, with a small, intensely bright spot, portions of a picture surface and to transform the original...
optical memory
1. The direct storage of data as bits in memory using optical systems and properties. The memory makes use of a laser beam...
proximal scanning
Technique using a fiber optic assembly to illuminate an opaque object and transmit an image back from it without a lens...
electron-beam film scanning
The method by which photographic film is scanned by an electron beam. One technique uses the uniform light of a television...
Kell factor
In an interlaced scanning electro-optical system such as television, the system resolution will be less than the number of...
electron scanning
The deflection of a beam of electrons, at regular intervals, across a cathode-ray tube screen, according to a definite...
facsimile synchronizing
The maintenance of the same scanning relationship between the transmitting scanning spot and receiving scanning spot for...
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
scanning microdensitometer
A microdensitometer that contains a scanning stage to provide simultaneous representations of position vs. density.
calorimetry
Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...
rectangular scanning
A two-dimensional scanning process, in which a slow sector scan, propagated in one direction, is superimposed at right...
3D laser triangulation
3D Laser Triangulation - A technology that allows sensors to probe the surroundings. Laser triangulation systems have an...
aerial photography
Photographing of terrain on the ground and objects in the air by cameras mounted in aircraft; utilized in satellites,...
raster
The pattern of lines traced by rectilinear scanning in display systems.
sequential scanning
Raster scanning process like that of television: each line is scanned successively.
spiral scanning
A scanning process in which the greatest amount of radiation determines part of a spiral motion rotating in one direction.
multispectral scanner
An instrument used to record the emittance or reflectance of an object by scanning with discrete spectral resolution over a...
line-scan camera
A line-scan camera, also known as a line-scan image sensor or linear array camera, is a type of digital camera designed to...
transmission electron microscope
A transmission electron microscope (TEM) is a powerful microscopy technique that uses a beam of electrons to create...
lidar
Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and...
scanning head
A device composed of a light source and phototube used to scan a moving strip of material in photoelectric side-register...
circular scanning
Scanning characterized by the generation of a plane or right circular cone with a vertex angle of about 180° by the...
scanning coherent slope microscopy
Measures by heterodyning interferometry the local slope of a vibrating sample. The method allows the reconstruction of a...
line scan
Line scan refers to a method of capturing images or data by scanning a single line at a time, as opposed to capturing the...
phase-change optical disc
An erasable data recording and storage medium that uses a laser to heat the crystalline surface of the disc to a certain...
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
shear
Image distortion that occurs when the axes of the original image are not perpendicular in the resulting image, making the...
revolving lens fiber optic scanner
A sequential scanning device, utilizing a revolving lens, in which the cathode-ray tube image is transformed into a circle...
confocal scanning microscope
A microscope design that involves apertures inserted in conjugate plane positions inside the microscope, with one aperture...
thermograph
The instrument used to collect thermal radiation information on an object by scanning. It consists basically of a detector,...
film scanning
The process by which the light from the images of photographic film is encoded into electrical signals for video...
fluorescence correlation spectroscopy
A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in...
scanner
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...
acousto-optic modulators and deflectors
An acousto-optic modulator (AOM) is a device that utilizes the interaction between sound waves and light waves to modulate...
laser cloud mapper
A scanning laser radar system applied to transmission and concentration analysis in three dimensions of clouds as well as...
Risley prism
A Risley prism, also known as a Risley prism pair or Risley rotating prism, is an optical device used for controlling the...
transverse offset method
A technique used to measure the mode-field diameter of an optical fiber by scanning one fiber past another at a distance of...
kinescope
A cathode-ray tube that serves as a picture tube in a television receiver. The signal representing the picture intensity is...
serial scanning
 optical character recognition
Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into...
point cloud
A point cloud is a set of data points in a three-dimensional coordinate system, where each point represents a specific...
character generation cathode-ray tube
A cathode-ray tube that generates symbols for use in other displays. The tube operates by scanning specific characters on...
voltage contrast analysis
A nondestructive testing method for very large scale integration circuits, using a scanning electron microscope to monitor...
degrees of freedom
The number of unique ways in which a part can move in an alignment system. In static alignment, there are six: one in the...
spectroheliograph
An instrument in which an image of the sun is scanned by the entrance slit of a monochromator, the exit slit simultaneously...
line spread function
The intensity distribution seen when scanning the image of a line, in the direction perpendicular to that line.
digital optical processing
The scanning of photographs or transparencies of images, either by a vidicon camera or flying spot scanner, for the...
scanning line
1. The continuous thin strip marked by the scanning beam. Generally, during return of the scan, the line is blanked out. 2....
dichroic mirror
A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...
scanning disc
In field-sequential color television, the rotating tricolor disc placed between the subject and the lens, or between the...
scanning beam
A light, radar or electron beam used to scan according to a particular method.
slow-scan television
A television system that uses a slow rate of horizontal scanning to increase its reproduction and transmittance accuracy of...
knife-edge scanning microscope
An imaging device originally created to image whole mouse brain volumes at microscopic resolution. The main component of the...
scanning
The successive analysis or synthesizing of the light values or other similar characteristics of the components of a picture...
air-to-ground phototransmission system
A category of systems designed to communicate a photo taken from the air (e.g., aircraft, balloon, satellite) to a ground...
pushbroom scanning
Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...
whole slide imaging
Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...
scanning speed
The picture area scanned per second.
helical scanning
A method used in facsimile scanning that sweeps the elemental area across the copy in a spiral motion as the result of the...
Felgett advantage
The signal-to-noise ratio (SNR) obtained with a Fourier transform spectrometer when detector noise prevails, which exceeds...
atomic force microscope
An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials...
microwave holography
The holographic recording of the pattern formed by two sets of coherent microwaves that interfere at a scanning plane. A...
galvanometric scanner
A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...
electronic line scanning
A method that uses electronic means to move the scanning spot along the scanning line.
hologon
A multifaceted holographic disc that is rotated by a motor to deflect incident light to a scanning system's lens.
rectilinear scanning
The scanning of a region in a given sequence of slender, straight parallel strips.
facsimile
The reproduction of a picture or image, produced by scanning the image and converting it into electrical signals that carry...
refracted ray method
The technique for measuring the index profile of an optical fiber by scanning the entrance face with the vertex of a high...
divided slit scan
A scanning technique in optical character recognition in which an array of photocells is used to scan each character to...
piezoelectric motion systems
Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...
instantaneous field of view
Instantaneous field of view (iFOV) is a term commonly used in the context of remote sensing, imaging systems, and optical...
tip-enhanced Raman spectroscopy
A spectroscopic technique that combines the high chemical specificity of Raman scattering and signal sensitivity provided by...
scanning electron microscope
A scanning electron microscope (SEM) is a powerful imaging instrument used in scientific research, materials...
random access multiphoton microscopy
Also known as RAMP microscopy, random access multiphoton microscopy is a microscopic technique that uses multiple...
mosaic detector array
A group of photosensors arranged in a grid-like pattern covering the entire field of view, enabling them to record it all at...
polygonal mirror
A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...
spectrofluorometer
An automatic scanning instrument that is used to study a substance's fluorescence over a wide range of wavelengths. It...
parallel scanning
Parallel scanning refers to a method of acquiring data or images simultaneously from multiple sources or in parallel, rather...
point-probing scanning optical microscope
 aperture distortion
A loss of resolution or detail in a television signal caused by the size of the electron scanning beam.
optical coherence tomography imaging system
Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...
barcode scanner
An optical scanning device designed to read information printed in the form of bars of different size by detection and...
infrared scanner
An optical system used to collect infrared energy from a scene using scanning optics with a point or line detector, as...
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
dynamic beam correction
The superimposition of a pilot object on each hologram. The fixed relative position of the scanning and pilot beam during...
x-ray microprobe analysis
The method of acquiring characteristic x-ray spectra from microscopic samples by use of the combination of a scanning...
video
Referring to the bandwidth and spectrum location of the signal produced by television or radar scanning.
beam profiling
Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...

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