Time-resolved nonlinear spectroscopy in a PbTiO3 ferroelectric: A1- and E-symmetry phonon-polariton behavior

Jean-Claude Loulergue; D. P. Kien; Olivier Albert; M. Duijser; Jean Etchepare

doi:10.1117/12.239776

10 May 1996 Time-resolved nonlinear spectroscopy in a PbTiO₃ ferroelectric: A₁- and E-symmetry phonon-polariton behavior

Jean-Claude Loulergue, D. P. Kien, Olivier Albert, M. Duijser, Jean Etchepare

Author Affiliations +

Proceedings Volume 2797, Nonlinear Spectroscopy and Ultrafast Phenomena; (1996) https://doi.org/10.1117/12.239776
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

Dispersion of low frequency polaritons have been studied in PbTiO₃ crystal in the 200 - 3000 cm^-1 wave vector range. Their behavior allows a new insight into the description of the internal processes involved: A₁-symmetry pure damped oscillatory response and E-symmetry more complicated mechanism.

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Jean-Claude Loulergue, D. P. Kien, Olivier Albert, M. Duijser, and Jean Etchepare "Time-resolved nonlinear spectroscopy in a PbTiO₃ ferroelectric: A₁- and E-symmetry phonon-polariton behavior", Proc. SPIE 2797, Nonlinear Spectroscopy and Ultrafast Phenomena, (10 May 1996); https://doi.org/10.1117/12.239776

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