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Proceedings Paper

Optical limiting properties of organic nonlinear crystals
Author(s): Patrice L. Baldeck; Yannick Morel; M. Plazanet; Patrick Feneyrou; Chantal Andraud; T. Brotin; C. Nguefack; Andre Collet; J. F. Nicoud; Alain Ibanez
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Paper Abstract

The optical limiting properties of 17 organic molecular crystals (natural faces) have been characterized with 250-ps pulses at &=532 nm. The best nonlinear absorption coefficients are f3=120 cm/OW and f3=400 cm/GW. Such high nonlinear absorptions are explained by the efficient ciystal packing of molecular two-photon absorptions. The ciystal phase allows high molecule concentration, efficient molecule orientation, and enhanced local field factor. Using the frequency-dependent molecular hyperpolarizability and the oriented-gas model one predicts that these high nonlinearities cover the whole visible spectrum.

Paper Details

Date Published: 13 October 1997
PDF: 6 pages
Proc. SPIE 3147, Nonlinear Optical Properties of Organic Materials X, (13 October 1997); doi: 10.1117/12.279306
Show Author Affiliations
Patrice L. Baldeck, Univ. Joseph Fourier (France)
Yannick Morel, Univ. Joseph Fourier (France)
M. Plazanet, Univ. Joseph Fourier (France)
Patrick Feneyrou, Univ. Joseph Fourier (France)
Chantal Andraud, Ecole Normale Superieure de Lyon (France)
T. Brotin, Ecole Normale Superieure de Lyon (France)
C. Nguefack, Ecole Normale Superieure de Lyon (France)
Andre Collet, Ecole Normale Superieure de Lyon (France)
J. F. Nicoud, Institut de Physique et Chimie des Materiaux de Strasbourg (France)
Alain Ibanez, Lab. de Cristallographie (France)

Published in SPIE Proceedings Vol. 3147:
Nonlinear Optical Properties of Organic Materials X
Mark G. Kuzyk, Editor(s)

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