Photoacoustic measurement of thermal properties of a thin polyester film

作者: André Lachaine , Patrick Poulet

DOI: 10.1063/1.95454

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摘要: The phase and the amplitude of photoacoustic signal are measured as a function chopping frequency for thin polyester film, using two different backing materials (water ethanol). Analysis results shows agreement with Rosencwaig–Gersho theory [J. Appl. Phys. 47, 64 (1976)] provides values thermal diffusivity effusivity sample.

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