Abstract
Fourier transform photoacoustic spectroscopy is now a well established technique for measuring the optical properties of materials in the visible and infra-red spectral regions [1,2]. Both commercial constant scan-rate spectrometers and custom step-and-integrate spectrometers have been used to provide the modulated radiation required for the photoacoustic method. The measurements have employed gas-microphone, photothermal deflection, and piezoelectric detection of the PAS signal, and have been made in both the absorption and emission modes. This paper discusses the generation of the complex photoacoustic signal using a constant scan-rate spectrometer, and its relationship to the optical properties of the sample, the transfer function of the spectrometer, and the characteristics of the photoacoustic cell.
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References
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© 1988 Springer-Verlag Berlin Heidelberg
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Royce, B.S.H., Alexander, J. (1988). Fourier Transform Photoacoustic Spectroscopy of Solids. In: Hess, P., Pelzl, J. (eds) Photoacoustic and Photothermal Phenomena. Springer Series in Optical Sciences, vol 58. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-48181-2_2
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DOI: https://doi.org/10.1007/978-3-540-48181-2_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-13705-5
Online ISBN: 978-3-540-48181-2
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