Experimental And Theoretical Considerations In Thin-Film Laser Calorimetry

P. A. Temple

doi:10.1117/12.7973288

1 June 1984 Experimental And Theoretical Considerations In Thin-Film Laser Calorimetry

P. A. Temple

Author Affiliations +

Optical Engineering, Vol. 23, Issue 3, (June 1984). https://doi.org/10.1117/12.7973288

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 types of 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 this paper, the main concern will be the errors present in calorimetric measurements.

Citation Download Citation

P. A. Temple "Experimental And Theoretical Considerations In Thin-Film Laser Calorimetry," Optical Engineering 23(3), (1 June 1984). https://doi.org/10.1117/12.7973288

Published: 1 June 1984

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