Multiwave mixing in anharmonic photorefractive thin gratings with modulation close to unity

Adrian Petris; Valentin I. Vlad

doi:10.1117/12.432876

29 June 2001 Multiwave mixing in anharmonic photorefractive thin gratings with modulation close to unity

Adrian Petris, Valentin I. Vlad

Proceedings Volume 4430, ROMOPTO 2000: Sixth Conference on Optics; (2001) https://doi.org/10.1117/12.432876
Event: ROMOPTO 2000: Sixth Conference on Optics, 2000, Bucharest, Romania

Abstract

The high-modulated phase gratings induced in photorefractive crystals are anharmonic. For small angles between incident beams (thin grating regime), an additional mixing can appear between the diffraction orders produced by harmonics of the anharmonic grating. This mixing yields significant changes in the self-diffraction spectra. Our theoretical and experimental results explain the effect of the grating anharmonicity on the self-diffraction on thin photorefractive gratings.

Citation Download Citation

Adrian Petris and Valentin I. Vlad "Multiwave mixing in anharmonic photorefractive thin gratings with modulation close to unity", Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); https://doi.org/10.1117/12.432876

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