Research Papers in Physics and Astronomy

 

Date of this Version

April 1991

Comments

Published by American Physical Society. Physics Review Letters 66, 1846-1849 (1991). http://prl.aps.org. Copyright © 1991 American Physical Society. Permission to use.

Abstract

We report the first observation of the photorefractive effect in a polymeric material, the electro-optic polymer bisphenol-A-diglycidylether 4-nitro-1,2-phenylenediamine made photoconductive by doping with the hole-transport agent diethylamino-benzaldehyde diphenylhydrazone. The gratings formed exhibit dynamic writing and erasure, strong electric-field dependence, polarization anisotropy, and estimated space-charge fields up to 26 kV/cm at an applied field of 126 kV/cm. Application of similar concepts should provide a broad new class of easily fabricated photorefractive materials.

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