Fe:KNbO3晶体中具有“沸腾”散斑结构的泵浦波的反向受激扩散散射自共轭

Soviet Journal of Quantum Electronics Pub Date : 1992-11-30 DOI:10.1070/QE1992V022N11ABEH003657

V. A. D'yakov, S. A. Korol’kov, A. V. Mamaev, V. Shkunov

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引用次数: 0

摘要

本文研究了具有时变散斑结构的光折变晶体的后向受激扩散散射，其非线性机制是扩散驱动的。我们证明了这一过程的效率和共轭分数取决于介质的相干时间与介电弛豫时间的比值。

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Self-conjugation of pump waves with "boiling" speckle structure via backward stimulated diffusive scattering in an Fe:KNbO3 crystal

We have investigated backward stimulated diffusive scattering of light with a time-varying speckle structure by photorefractive crystals in which the nonlinearity mechanism is diffusion-driven. We show that the efficiency and conjugated fraction for this process depend on the ratio of the coherence time to the dielectric relaxation time of the medium.

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Soviet Journal of Quantum Electronics

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