非线性光学现象:含光折变晶体环中的散斑泵浦光束的自共轭

Soviet Journal of Quantum Electronics Pub Date : 1992-11-30 DOI:10.1070/QE1992V022N11ABEH003663

A. V. Mamaev, V. Shkunov

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引用次数: 2

摘要

我们从理论和实验上证明，在包含光折变晶体的环中，散斑光束相位共轭的最佳几何形状是保持光束直径的咬尾几何形状。我们预测，由于在光束中引入散斑，该过程的阈值将增加1.5倍。

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NONLINEAR OPTICS PHENOMENA: Self-conjugation of a speckle pump beam in a loop containing a photorefractive crystal

We show theoretically and experimentally that the optimum geometry for phase conjugation of speckle beams in a loop containing a photorefractive crystal is the biting-its-own-tail geometry with beam diameter preserved. We predict an increase in the threshold for the process by a factor of 1.5 due to the introduction of speckle in the beam to be conjugated.

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Soviet Journal of Quantum Electronics

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