IEVref:845-03-14ID:
Language:enStatus: Obsolete
Term: equi-energy spectrum
Synonym1: equal energy spectrum, US
[Preferred]
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Definition: spectrum of a radiation whose spectral concentration of a radiometric quantity as a function of wavelength is constant throughout the visible region (φ(λ) = const.)

NOTE – The radiation of the equi-energy spectrum is sometimes regarded as an illuminant, in which case it is denoted by the symbol E.


Publication date:1987
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