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Photoacoustic spectrometry applied to graphite-epoxy laminates

Abstract : In this paper, we report results of Fourier Transform InfraRed PhotoAcoustic Spectroscopy (FTIR-PAS) of graphite-epoxy laminates. Three optical penetration spectra, derived from the same experimental signal using three different data processing methods, are presented and compared. These spectra are also compared to the spectrum of a cured epoxy resin, so that one can better understand the optical absorption process within a graphite-epoxy laminate. We also present an analytical model of the photoacoustic signal for a two layer system.
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Contributor : Franck Enguehard <>
Submitted on : Thursday, March 17, 2016 - 3:57:27 PM
Last modification on : Friday, June 5, 2020 - 11:06:02 PM


  • HAL Id : hal-01289857, version 1



Marc Dubois, Franck Enguehard, Marc Choquet, Jean-Pierre Monchalin, Lionel Bertrand. Photoacoustic spectrometry applied to graphite-epoxy laminates. 1993 Review of Progress in Quantitative Non Destructive Evaluation, Aug 1993, Brunswick, ME, United States. ⟨hal-01289857⟩



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