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10 terms
Photonics Dictionary
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photoconductive cell x
photoconductive cell
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photoconductive detector
A device for detecting visual and infrared radiation using a photoconductor as the principle sensing element.
cadmium sulfide cell
A photoconductive cell having cadmium sulfide as its photoconducting material for the production of a very high dark-light resistance ratio.
electro-optic detector
A device that detects radiation by utilizing the influence of light in forming an electrical signal. It may be a phototube; a photoconductive, photovoltaic or photojunction cell; a phototransistor;...
electronic shutter
A mechanical shutter that has had its timing escapement replaced with an electronic timing circuit. This circuit allows a wider range of exposure times, can be more accurate, and, placed in a circuit...
FTIR spectrometer
FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas sample. It operates based...
lead selenide cell
A thin-film photoconductive cell that is sensitive to the infrared region. The photosensitive material of the cell is composed of lead selenide, and the cell is used in the detection of infrared...
lead sulfide cell
A photoconductive cell having greatest sensitivity in the infrared region. The photosensitive material of the cell is lead sulfide, which is deposited on a glass plate.
quantum detector
A photodetector in which an electrical charge is produced when incident photons change electrons within the detecting material from nonconducting to conducting states. See photoconductive detector;...
selenium cell
A photoconductive cell consisting of a layer of selenium on a substrate whose electrical resistance varies with the illumination falling on the cell. Selenium cells have been replaced largely by...
thallofide cell
A photoconductive cell that uses thallium oxysulfide as the light-sensitive medium.
Photonics Dictionary
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