Geist, Jon Radiometric Physics Division, National Bureau of Standards, Washington, DC.
Last reviewed:January 2020
- Development and nomenclature
- Thermal detectors
- Photon detectors
- Radiometric sources
- Related Primary Literature
- Additional Reading
A branch of science that deals with the measurement or detection of radiant electromagnetic energy. Radiometry is divided according to regions of the spectrum in which the same experimental techniques can be used. Thus, vacuum ultraviolet radiometry, intermediate-infrared radiometry, far-infrared radiometry, and microwave radiometry are considered separate fields, and all of these are to be distinguished from radiometry in the visible spectral region. Curiously, radiometry in the visible is called radiometry, optical radiation measurement science, or photometry, but it is not called visible radiometry. See also: Electromagnetic radiation; Infrared radiation; Light; Microwave; Ultraviolet radiation
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