Search
Menu
Alluxa - Optical Coatings LB 8/23
CD Dictionary Terms

transfer rate
The rate at which data can be read from a CD-ROM.
constant luminance encoder
A device used in broadcast CCD cameras to improve definition in heavily saturated colors by band-limiting the color...
CCD image sensor
A CCD image sensor, or charge-coupled device image sensor, is a type of electronic device used to convert optical images...
dark frame
A frame taken to identify electronic noise in a CCD imaging device. A dark frame is recorded without exposing the CCD to any...
mode 1 (and mode 2)
In compact disc systems, the two principal frame formats for data storage. Mode 1 devotes 2048 bytes to user data, reserving...
quantum dot light-emitting diode
Quantum dot light-emitting diode (QLED) is a display technology that utilizes quantum dots, which are semiconductor...
charge-injection device
A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a...
address
The code signifying the location of the information being sought on a CD-ROM.
microdisplay
A microdisplay is a miniature electronic display technology that is designed to project visual information onto a small...
active-matrix liquid crystal display
When applied to LCD grids, the active matrix is a means of supplying power to pixels by use of a transistor and capacitor....
intensified charge-coupled device
A CCD image sensor that uses a proximity-focused image intensifier to provide greater sensitivity at low light levels.
minimum perceptible
The smallest object that may be seen, measured in terms of the angle subtended by the object measured at the eye. Also...
GaN-based LEDs
Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric...
beam profiling
Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...
pushbroom scanning
Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...
ophthalmoscopy
Also referred to as fundus photography, ophthalmoscopy is the dioptrical study of the various interior components of the eye...
optical coherence tomography imaging system
Optical coherence tomography (OCT) is an imaging technique used in medical diagnostics and biomedical research to obtain...
machine vision system
A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...
CMOS camera
A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...
optical head
In compact disc and CD-ROM technology, the portion of the drive that projects the laser light onto the surface of the media...
lensless microscopy
Lensless microscopy, also known as computational or holographic microscopy, is an imaging technique that captures and...
green disc
Familiar term for CD/I disc. The CD/I standard also is known as the green standard.
fiber optic spectrometer
A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...
flat-field frame
A frame taken with a CCD camera of a surface that is evenly illuminated by diffuse light. This frame shows irregularities in...
passive-matrix liquid crystal display
An LCD that has pixels with no internal drive transistors.
land
In a CD-ROM disc, the reflective area between nonreflective pits representing a binary-language "off'' as opposed to...
circular dichroism
Circular dichroism (CD) is a spectroscopic technique used to study the structural characteristics of chiral (asymmetric)...
polarization
Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other...
bias frame
A frame taken with a CCD camera over an exposure length of zero seconds with the lens cap on or the shutter closed and no...
electron multiplying CCD
A CCD device in which a solid-state electron multiplying register has been added to the end of the normal serial register....
Schottky-barrier IRCCD
A form of infrared CCD that utilizes internal photoemission as a photodetection mechanism.
silicon photodiode
A silicon photodiode is a semiconductor device that converts light into an electrical current. It is a type of photodetector...
charge-coupled device
A charge-coupled device (CCD) is a type of electronic image sensor used in various imaging devices, including digital...
optoelectronics
Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light...
detector array
A detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format....
back-illuminated CCD
A CCD that has been reduced in thickness by etching so that light passes through the back layers of the CCD. This type of...
responsivity
The gain that occurs between light intensity incident on a CCD given by the photocurrent produced.
optical filter
An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...
deep-depletion CCD
A CCD device for sensing longer wavelengths, such as NIR and IR, that has a deeper depletion region than would be necessary...
endoscope
An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...
particle image velocimetry
A whole-flow-field technique providing instantaneous velocity vector measurements in a cross-section of a flow that is...
donpisha
A type of asynchronous shutter device that is used particularly in CCD sensor applications to capture an image of a...
optical data storage
The storage of information via optical means, primarily employing a low-power laser to inscribe data on a photosensitive...
aberration sensor (wavefront sensor)
Designed for the function of optical wavefront analysis. Shack-Hartmann camera aberration sensors use a lens array to image...
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
CD/I
A technical specification for a consumer product drawn up by Sony and Philips. CD/I combines audio, video and text recorded...
antiblooming gate
A device that prevents electrons from a saturated pixel in a CCD imaging device from spilling into an adjacent pixel. The...
CID camera
CID, or charge injection device, camera refers to a type of imaging device that utilizes a specific kind of solid-state...
high-speed motion camera
A high-speed motion camera, also known as a high-speed camera or slow-motion camera, is a specialized imaging device...
liquid crystal on silicon
Liquid crystal on silicon (LCoS) is a display technology that combines liquid crystal materials with silicon-based...
photoresponse nonuniformity
Noise created by patterns imaged on a CCD surface. Pixel sensitivity is altered by responsivity during illumination.
high-resolution visible sensor
A satellite-borne remote sensing device capable of transmitting images at 10 and 20 m resolution from an altitude of 830 km,...
integration time
Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...
spectral flow cytometry
Spectral flow cytometry is an advanced flow cytometry technique that expands the capabilities of traditional flow cytometry...
quantum efficiency
Quantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of...
electric-discharge lamp
A lamp that uses the transmission of an electric current through a gas or vapor to produce illumination. Neon, mercury and...
liquid crystal
Liquid crystals are a state of matter that exhibits properties intermediate between those of conventional liquids and solid...
CCD
 autoguider
A CCD sensor that provides feedback to the motion control system for a telescope, allowing the telescope to follow a...
Shack-Hartmann wavefront sensor
The Shack-Hartmann wavefront sensor is an optical device used for measuring the wavefront aberrations of an optical system....
CD-ROM (compact disc read-only memory)
An adaptation by Philips and Sony of their audio compact disc technology for optical disc data storage and retrieval....
CMOS image sensor
A CMOS image sensor, short for complementary metal-oxide-semiconductor image sensor, is a type of semiconductor device used...
Gaussian beam optics
The area of optics that deals with the propagation of Gaussian laser beams in free space, or any general medium - i.e....
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
holographic camera
A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...
modulation transfer function analysis/measurement equipment
MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer...
linear image sensor
A linear image sensor is a type of solid-state electronic device used to capture and convert light into electrical signals....
pixel pitch
Pixel pitch refers to the distance between the centers of two adjacent pixels on a display screen or imaging sensor. It is...
CCD camera
A CCD camera, or charge-coupled device camera, is a type of digital camera that utilizes a CCD image sensor to capture and...
intensified charge-coupled device camera
An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...
optical read-only memory
Generic term for read-only optical data storage, source of the Philips-Sony term CD-ROM.
drift scan
An astronomical scanning technique for capturing images of stars without moving the sensor. To perform a drift scan, a CCD...
positive dielectric anisotropy
The dielectric coefficient parallel to the director in a liquid crystal display (LCD), rather than perpendicular to the...
electron multiplication charge-coupled device camera
An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...

(75 results found)

Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps

About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship

Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)



©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.