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Photothermal Study of Anisotropic Media

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Phonon Scattering in Condensed Matter VII

Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 112))

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Abstract

Photothermal techniques are based on the illumination of the sample under study by a modulated light beam (pump beam). In absorbing media, light is converted into heat and induces thermal waves within the sample. This heat flow produces a refractive index gradient in the adjacent air medium, close to the sample surface. In the probe beam deflection technique [1], a second laser beam is directed through the heated region and is deflected by the mirage effect. The analysis of this deflection gives the temperature distribution in the sample and information about its thermal properties. The 3d photothermal deflection has been extensively reported in the literature for isotropic media [2] but only a few results are related to anisotropic ones [3].

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References

  1. A.C. Boccara, D. Fournier, J. Badoz, Appl. Phys. Lett. 36, 130 (1980)

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  2. A.Salazar, A.Sanchez-Lavega, J.Fernandez, J.Appl.Phys. 65, 4150 (1989)

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  3. X.Quélin, C.Lapersonne-Meyer, J.Berrehar, G.Louis, P.Peretti, in Photo-acoustic and Phothermal Phenomena III, Springer Verlag (in press)

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  4. sample provided by C.Lapersonne and J.Berrehar, GPS, Paris 7 University

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  5. A.Hadj-Sahraoui, G.Louis, B.Mangeot, P.Peretti, J.Billard, Liq. Cryst. 5, 579 (1989)

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© 1993 Springer-Verlag Berlin Heidelberg

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Perrin, B., Quelin, X., Mangeot, B., Louis, G., Peretti, P. (1993). Photothermal Study of Anisotropic Media. In: Meissner, M., Pohl, R.O. (eds) Phonon Scattering in Condensed Matter VII. Springer Series in Solid-State Sciences, vol 112. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84888-9_22

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  • DOI: https://doi.org/10.1007/978-3-642-84888-9_22

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84890-2

  • Online ISBN: 978-3-642-84888-9

  • eBook Packages: Springer Book Archive

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