IEVref:845-24-074ID:
Language:enStatus: Standard
Term: transmittance factor
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Symbol: T
Definition: quotient of the flux transmitted by a specimen in a given optical system and the flux transmitted when the specimen is removed from the sampling aperture

EXAMPLE Comparison of the radiation penetrating a slide situated in a projector and reaching a screen to the radiation when the slide is removed from the projector and only an empty slide mount is in the projector.

Note 1 to entry: The transmittance factor has unit one.


Publication date:2020-12
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