Experimental And Theoretical Considerations In Thin Film Laser Calorimetry

P. A. Temple

doi:10.1117/12.933299

29 April 1982 Experimental And Theoretical Considerations In Thin Film Laser Calorimetry

P. A. Temple

Proceedings Volume 0325, Optical Thin Films; (1982) https://doi.org/10.1117/12.933299
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

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.

Citation Download Citation

P. A. Temple "Experimental And Theoretical Considerations In Thin Film Laser Calorimetry", Proc. SPIE 0325, Optical Thin Films, (29 April 1982); https://doi.org/10.1117/12.933299

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