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Phase-locked detection in photorefractive crystal at the multiple frequency difference of light beams

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Abstract

The mechanism of the recording of a static hologram by a rapidly moving interference pattern in a photorefractive crystal is studied theoretically and experimentally. The difference between the frequencies of the writing beams significantly exceeds the inverse response time of the hologram and is equal to or a multiple of the frequency of the external ac field applied to the crystal. The experiment was performed in a Bi12TiO20 crystal.

© 1992 Optical Society of America

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