IEVref:845-04-83ID:
Language:enStatus: Obsolete
Term: spectral internal transmittance density
Synonym1: spectral absorbance (of a homogeneous non-diffusing layer)
[Preferred]
Synonym2:
Synonym3:
Symbol: Ai(λ)
Definition: logarithm to base ten of the reciprocal of the spectral internal transmittance

Ai(λ) = −log10 τi(λ)

NOTE 1 – See note to 845-04-81.

NOTE 2 – The symbol E(λ) is still in use.


Publication date:1987
Source
Replaces:
Internal notes:2015-10-21: Replacement of — by −. JGO
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: