Transmissivity: Difference between revisions
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'''Transmissivity''' is a term in [[radiometry]]. | '''Transmissivity''' is a term in [[radiometry]]. It is the ratio between the [[Irradiance|exitance]] from the back side of a surface and the incident [[irradiance]] on the front side. | ||
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Note that transmissivity is a unitless quantity in the range [0,1]. | Note that transmissivity is a unitless quantity in the range [0,1], and can also be expressed as a percentage in the range [0%,100%]. A completely transparent surface has a transmissivity of 100%. Transmissivity normally varies as a function of both wavelength and incident angle. | ||
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Latest revision as of 06:01, 30 October 2024
Transmissivity is a term in radiometry. It is the ratio between the exitance from the back side of a surface and the incident irradiance on the front side.
Note that transmissivity is a unitless quantity in the range [0,1], and can also be expressed as a percentage in the range [0%,100%]. A completely transparent surface has a transmissivity of 100%. Transmissivity normally varies as a function of both wavelength and incident angle.