far-infrared radiation


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far-infrared radiation

(fär′ĭn′frə-rĕd′)
n. Abbr. FIR
Electromagnetic radiation having the longest wavelengths in the infrared region, often between 15 and 1,000 micrometers. Also called far-red radiation.
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References in periodicals archive ?
This method is based on the transmission of polarized far-infrared radiation.
Dust absorbs both ultraviolet and visible light and reradiates it as far-infrared radiation.
Its high-tech sensors, which detect far-infrared radiation, are designed to peer through dust clouds to observe the mysterious process of how stars and galaxies are created.