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Proceedings Paper

Experimental And Theoretical Considerations In Thin Film Laser Calorimetry
Author(s): P. A. Temple
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Paper Abstract

Laser calorimetry has been widely used to measure thin film optical absorption in filmed substrates with total film-substrate system absorptance of 1 x 10-2 and below. This paper will discuss the advantages and disadvantages of the various type calorimeters presently used to measure witness-size samples in the absorptance range of 1 x 10-2 to 1 x 10-5. Special emphasis will be given to single-layer films. Considered will be the implications of front versus back surface films, film thickness, film-substrate interface absorption, and laser coherence on the interpretation of the measured total absorptance. Throughout the entire presentation, the main concern will be the errors present in calorimetric measurements.

Paper Details

Date Published: 29 April 1982
PDF: 7 pages
Proc. SPIE 0325, Optical Thin Films, (29 April 1982); doi: 10.1117/12.933299
Show Author Affiliations
P. A. Temple, Naval Weapons Center (United States)

Published in SPIE Proceedings Vol. 0325:
Optical Thin Films
Richard Ian Seddon, Editor(s)

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