Optical limiting properties of organic nonlinear crystals

Patrice L. Baldeck; Yannick Morel; M. Plazanet; Patrick Feneyrou; Chantal Andraud; T. Brotin; C. Nguefack; Andre Collet; J. F. Nicoud; Alain Ibanez

doi:10.1117/12.279306

13 October 1997 Optical limiting properties of organic nonlinear crystals

Patrice L. Baldeck, Yannick Morel, M. Plazanet, Patrick Feneyrou, Chantal Andraud, T. Brotin, C. Nguefack, Andre Collet, J. F. Nicoud, Alain Ibanez

Author Affiliations +

Proceedings Volume 3147, Nonlinear Optical Properties of Organic Materials X; (1997) https://doi.org/10.1117/12.279306
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

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Patrice L. Baldeck, Yannick Morel, M. Plazanet, Patrick Feneyrou, Chantal Andraud, T. Brotin, C. Nguefack, Andre Collet, J. F. Nicoud, and Alain Ibanez "Optical limiting properties of organic nonlinear crystals", Proc. SPIE 3147, Nonlinear Optical Properties of Organic Materials X, (13 October 1997); https://doi.org/10.1117/12.279306

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