Abstract
Photogalvanic holographic gratings were recorded in the photorefractive crystal Sr0.39Ba0.61Nb2O6 : Ce (0.05 weight %) by HeNe laser (λ=0.633m). When holographic grating vector was prpendicular to the axis hologram writing with orthogonally polarized waves were realized with diffraction efficiency of 6% (for thickness 1.0 mm). Intermode scattering [11 was observed in accordance to calculations and photoinduced holographic electric field was estimated to be about 600 V/cm. Photogalvanic holographic grating, recorded with orthogonally polarized waves may be used for phase conjugation with polarization restoration [2,3], and for processing of laser beams.
© 1991 Optical Society of America
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