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Conferences > NLO > 1992 > WB > WB6

Higher harmonics of the photorefractive grating under recording through the phase-locked detection mechanism

A. V. Dooghin, P. N. Ilinykh, V. S. Liberman, O. P. Mestiorkin, and B. Ya. Zel’dovich

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Abstract

The photorefractive gratings may be used for holographic information storage and for other applications. The simplest hologram are recorded by sinusoidal interference pattern with intensity I(x,t)=Io+Io(m/2·exp{iqx}+c.c.), where Io is the total intensity of interacting waves, q is the spatial frequency of fringes, m is the contrast of interference pattern. If the contrast to approaches to 1 the sinusoidal form of holographic grating Is distorted by the recording of higher spatial harmonics.

© 1992 Optical Society of America

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