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9 terms
Photonics Dictionary
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black body sources x
blackbody source
A blackbody source, often simply referred to as a blackbody, is a theoretical or practical physical object that absorbs all electromagnetic radiation incident upon it and emits radiation in a...
blackbody simulator
A source that attempts to create the characteristics of an ideal blackbody. It consists of a cavity, generally spherical, made of an opaque material and insulated from thermal effects, with a small...
candela
SI unit of luminous intensity. It is defined as one sixtieth the normal intensity of one square centimeter of a blackbody at the solidification temperature of platinum. A point source of one candela...
color temperature
A colorimetric concept related to the apparent visual color of a source (not its temperature). For a blackbody, the color temperature is equal to the temperature in kelvin.
correlated color temperature
Temperature of the blackbody having chromaticity nearest to that of the test source on a specified chromaticity diagram.
distribution temperature
Temperature of the blackbody having a spectral power distribution approximately proportional to the test source at all wavelengths; it follows that the two have the same chromaticity.
incomplete radiator
A thermal source that emits less radiation than a blackbody under identical temperature conditions.
infrared radiation source
Any object that emits radiation of a wavelength lying between about 0.75 to 1000 µm. A calibrated secondary source usually is a heated cavity (blackbody) or a filament lamp rated in wattage...
isotemperature line
->
correlated color temperature
Temperature of the blackbody having chromaticity nearest to that of the test source on a specified chromaticity diagram.
Photonics Dictionary
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