Photonics Dictionary Definitions, Abbreviations, Illustrations, Terms listing by the letter C (Items 1 thru 40)

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Photonics Dictionary Return to Dictionary home There are 589 terms that begin with 'C' Currently displaying records 1 thru 40. You are in set 1 of 15 next set —> or select a set: 1 cable See fiber optic... 2 cache A portion of computer memory that is used for temporary... 3 cadmium lamp A mercury vapor discharge lamp that has cadmium added to... 4 cadmium lines The three lines in the spectrum of cadmium that have the... 5 cadmium red line The narrowest line of the cadmium spectrum; the red line... 6 cadmium sulfide An inorganic compound, yellow to orange in color, that... 7 cadmium sulfide cell A photoconductive cell having cadmium sulfide as its... 8 calcite A doubly refracting mineral used to produce polarizing... 9 calcite interference microscope A microscope that allows examination of a small crystal and... 10 calcium fluoride An optical material used in place of crown glass to produce... 11 calcium iodide A hygroscopic powder used in the photographic... 12 calcium tungstate White, tetragonal crystals used in the production of... 13 calibrated light source A lamp whose output can be traced to a standard light... 14 calibrated wedge An optical wedge in which transmittance or density is a... 15 calibration reference Any known value derived from standard analysis that serves... 16 Callier coefficient The coefficient termed by Callier as the ratio between the... 17 Callier effect The selective scattering of light as it passes through a... 18 calligraphic imager See stroke... 19 calorescence The production of visible light by infrared radiation... 20 calorific rays Name originally given to the sun's infrared radiation by... 21 calorimeter An instrument used to measure the change of heat content of... 22 calutron An electromagnetic device used to separate isotopes of... 23 camera A light-tight box that receives light from an object or... 24 camera chain The term sometimes used to describe the sequential... 25 camera lucida A portable instrument that uses a four-sided reflecting... 26 camera memory (camRAM) Primary image memory that is built into a digital camera... 27 camera obscura A forerunner of the modern camera, this instrument had a... 28 camera reduction The use of the photographic process to produce precision... 29 camera shutter An apparatus, designed for use with a camera, that is used... 30 camera tube The electron beam tube of a television camera that converts... 31 camera tube target The storage surface of an electron beam tube that is... 32 campimeter See eye test... 33 campimetry See... 34 Canada balsam A resin obtained from the balsam fir, Abies balsamea, used... 35 candela (cd) SI unit of luminous intensity. It is defined as one... 36 candlepower (cp) The luminous intensity of a source of light expressed in... 37 candoluminescence The luminescence of an incandescent... 38 cantilever A projecting beam or other structure supported only at one... 39 capacitance The ability of a conductor to store an electrical charge;... 40 capacitor A device that accumulates and stores electrical energy to... Currently displaying records 1 thru 40. You are in set 1 of 15 next set —> or select a set: Return to Dictionary home Click to view listings of terms Term of the moment... saturation - 1. The decrease of the absorption (or gain) coefficient of a medium near some transition frequency when the power of the incident radiation near that frequency exceeds a certain value. As long as the absorption (or gain) coefficient is constant, the power absorbed (or emitted) by the medium is proportional to the incident power. However, there is always a limit to the rate at which the medium can absorb (or emit) power that is determined by the lifetimes of the energy levels involved. As this limit is reached, the induced transitions become rapid enough to affect the energy level populations, making them more nearly equal. 2. With respect to color, attribute of a visual sensation that permits a judgment to be made of the proportion of pure chromatic (in contrast to achromatic) color in the total sensation. The psychosensorial correlate, or nearly so, of colorimetric purity. See also chroma; Munsell chroma.	advertisement advertisement advertisement advertisement advertisement advertisement advertisement

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