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Proceedings Paper

Electro-optic effects in organic single crystals
Author(s): Christian Bosshard; Kurt Sutter; R. Schlesser; Peter Guenter
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Paper Abstract

Electro-optic effects in single crystals of 2-cyclooctylamino-5-mitropyridine and 2-(N- prolinol)-5-nitropyridine have been investigated. The measured wavelength dependence of the electro-optic coefficients can be well explained with the quantum-mechanical two-level model. Enhancements of these coefficients near acoustic phonon resonances of up to a factor of 25 were observed when scanning the modulation frequency of the applied electric field. A comparison between measured second-order polarizabilities and electro-optic coefficients revealed that optic phonons may still contribute considerably to the electro-optic effects in the investigated molecular crystals. A simple expression to estimate the limiting values of electro- optic coefficients is proposed and compared with values of known molecular crystals.

Paper Details

Date Published: 25 February 1993
PDF: 12 pages
Proc. SPIE 1775, Nonlinear Optical Properties of Organic Materials V, (25 February 1993); doi: 10.1117/12.139203
Show Author Affiliations
Christian Bosshard, Swiss Federal Institute of Technology (Switzerland)
Kurt Sutter, Swiss Federal Institute of Technology (Switzerland)
R. Schlesser, Swiss Federal Institute of Technology (Switzerland)
Peter Guenter, Swiss Federal Institute of Technology (Switzerland)

Published in SPIE Proceedings Vol. 1775:
Nonlinear Optical Properties of Organic Materials V
David J. Williams, Editor(s)

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