Band emission

Band emission, is the fraction of the total emission from a blackbody that is in a certain wavelength interval or band. For a prescribed temperature, T and the spectral interval from 0 to λ, is the ratio of the total emissive power of a black body from 0 to λ to the total emissive power over the entire spectrum.

F0,λ=∫0λEλ,bdλ∫0∞Eλ,bdλ=∫0λEλ,bdλσT4=∫0λTEλ,bσT5d(λT)=f(λT)

## See also

* Spectral bands

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