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Brillouin Scattering Study on the Opto-Acoustic Properties of Thin Piezoelectric Polymer Films

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Published 28 May 2004 Copyright (c) 2004 The Japan Society of Applied Physics
, , Citation Shin-ichi Tomohiro et al 2004 Jpn. J. Appl. Phys. 43 2916 DOI 10.1143/JJAP.43.2916

1347-4065/43/5S/2916

Abstract

Reflection-induced ΘA Brillouin scattering (RIΘA) is introduced to investigate the opto-acoustic anisotropy of uniaxially stretched polyvinylidene fluoride (PVDF) films (0.04 mm in thickness). Although the films are not perfectly transparent, their elastic and optical anisotropy could be investigated nondestructively. The optical anisotropy, which is observed as birefringence, showed a clear decrease near the Curie temperature (Tc).

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10.1143/JJAP.43.2916