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Moving grating and dc external field in photorefractive GaP at 633 nm
Optics Letters
|September 25, 2009
Abstract:
We demonstrate that the photorefractive effect in GaP crystal at 633 nm can be enhanced using an externally applied dc field and a moving grating. A two-beam coupling gain coefficient of 2.5 cm(-1) and a steady-state phase-conjugate reflectivity of 1.9% were obtained.

