Photorefractive gratings in the organic crystal 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane

Kurt Sutter; Jurg Hulliger; Peter Guenter

doi:10.1117/12.50725

1 December 1991 Photorefractive gratings in the organic crystal 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane

Kurt Sutter, Jurg Hulliger, Peter Guenter

Author Affiliations +

Proceedings Volume 1560, Nonlinear Optical Properties of Organic Materials IV; (1991) https://doi.org/10.1117/12.50725
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Single crystals of the electro-optic compound 2-cyclo-octylamino-5-nitropyridine (COANP) doped with small amounts of 7,7,8,8-tetracyanoquinodimethane (TCNQ) have been shown to be the first organic material exhibiting the photorefractive effect. Measurements of light induced gratings and beam coupling proved that the electro-optic response originates from photocarrier generation, charge separation, and the electro-optic effect driven by the space charge field.

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Kurt Sutter, Jurg Hulliger, and Peter Guenter "Photorefractive gratings in the organic crystal 2-cyclooctylamino-5-nitropyridine doped with 7,7,8,8-tetracyanoquinodimethane", Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); https://doi.org/10.1117/12.50725

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