IEVref:845-04-76ID:
Language:enStatus: Obsolete
Term: spectral linear attenuation coefficient (at a point in an absorbing and diffusing medium, for a collimated beam of radiation)
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Symbol: μ(λ)
Definition: quotient of the relative decrease caused by both absorption and diffusion of the spectral concentration of the radiant flux Φe, λ of a collimated beam during its propagation along an elementary length dl at the point considered, by the length dl

X

unit : m–1


Publication date:1987
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