Abstract

The ratio of the radiant absorption A to the transmittance T of a weakly absorpting lamina is expressed in terms of its extinction coefficient k, index n, and thickness.

© 1978 Optical Society of America

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References

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  1. H. A. MacleodThin Film Optical Filters (American Elsevier, New York, 1976) p. 209.
  2. Florin Abelès, “Methods for determining the optical parameters of thin films,” in Progress in Optics, edited by E. Wolf, (North-Holland, Amsterdam, 1963) Vol. 2, p. 277.
    [Crossref]
  3. Philip Baumeister, Appl. Opt. 8, 423 (1969).
    [Crossref] [PubMed]

1969 (1)

Abelès, Florin

Florin Abelès, “Methods for determining the optical parameters of thin films,” in Progress in Optics, edited by E. Wolf, (North-Holland, Amsterdam, 1963) Vol. 2, p. 277.
[Crossref]

Baumeister, Philip

Macleod, H. A.

H. A. MacleodThin Film Optical Filters (American Elsevier, New York, 1976) p. 209.

Appl. Opt. (1)

Other (2)

H. A. MacleodThin Film Optical Filters (American Elsevier, New York, 1976) p. 209.

Florin Abelès, “Methods for determining the optical parameters of thin films,” in Progress in Optics, edited by E. Wolf, (North-Holland, Amsterdam, 1963) Vol. 2, p. 277.
[Crossref]

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Equations (3)

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A = 1 - R - T ,
A T k { ( n 2 - n s 2 ) S + γ ( n 2 + n s 2 ) + k n s [ 2 ( C - 1 ) + γ 2 ] } 2 n s ( n 2 + k 2 )
γ = 4 π n h / λ ,             C cos γ ,             and S sin γ .