Transmissivity: Difference between revisions

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Transmissivity is a term in radiometry. It is the ratio between the exitance from the back of a surface and the incident irradiance on the front.

$\tau _{\lambda }={\frac {M_{back,\lambda }}{E_{front,\lambda }}}$

Note that transmissivity is a unitless quantity in the range [0,1]. It normally varies as a function of wavelength.

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-Transmissivity is a term in [[radiometry]].  It is the ratio between the [[Irradiance|exitance]] from the back of a surface and the incident [[irradiance]] on the front.
+'''Transmissivity''' is a term in [[radiometry]].  It is the ratio between the [[Irradiance|exitance]] from the back of a surface and the incident [[irradiance]] on the front.
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