Intrinsic geometric scattering probed by picosecond optoacoustics in a cylindrical cavity: Application to acoustic and optical characterizations of a single micron carbon fiber

A picosecond pump-probe technique is used to reveal the optoacoustic response of a single micrometric carbon fiber. The signature of the intrinsic geometric scattering resulting from acoustic reflections at free surface of the cylindrical cavity is contained in the signals. The fiber transverse elas...

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Bibliographic Details
Published in:Applied physics letters 2010-07, Vol.97 (3)
Main Authors: Ségur, D., Guillet, Y., Audoin, B.
Format: Article
Language:English
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Summary:A picosecond pump-probe technique is used to reveal the optoacoustic response of a single micrometric carbon fiber. The signature of the intrinsic geometric scattering resulting from acoustic reflections at free surface of the cylindrical cavity is contained in the signals. The fiber transverse elastic properties and the fiber complex refractive index at 796 nm are measured nondestructively.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3464563