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8 terms
Photonics Dictionary: C
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cesium x
C x
cesium 134
An isotope of cesium that emits negative beta particles and has a half-life of 2.19 years; its applications include photoelectric cells and developmental ion propulsion systems.
cesium chloride
Colorless crystals used in photoelectric cells and for photosensitive material in cathodes.
cesium oxide cell
A photoemissive detector sensitive to wavelengths up to 1 µm. It has one sharp maximum of sensitivity at 350 nm and a broad maximum at 800 nm.
cesium phototube
A phototube having a cesium-coated cathode that has its greatest sensitivity in the infrared region.
cesium vapor lamp
A lamp that emits light as the result of the passage of an electrical current through ionized cesium vapor.
cesium-antimonide photocathode
A photocathode that exhibits maximum sensitivity in the blue and ultraviolet regions of the spectrum. The sensitivity is obtained by the exposure of a thin layer of antimony to cesium vapor at an...
CDA
cesium dideuterium arsenate
crystal
A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50...
Photonics Dictionary
C
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