Photoacoustic measurement of thermal properties of a thin polyester film
作者:
Andre´ Lachaine,
Patrick Poulet,
期刊:
Applied Physics Letters
(AIP Available online 1984)
卷期:
Volume 45,
issue 9
页码: 953-954
ISSN:0003-6951
年代: 1984
DOI:10.1063/1.95454
出版商: AIP
数据来源: AIP
摘要:
The phase and the amplitude of the photoacoustic signal are measured as a function of chopping frequency for a thin polyester film, using two different backing materials (water and ethanol). Analysis of the results shows agreement with Rosencwaig–Gersho theory [J. Appl. Phys.47, 64 (1976)] and provides values of the thermal diffusivity and the thermal effusivity of the sample.
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