This article is cited in 1 paper

Nonlinear optics phenomena

Threshold for conjugation of speckle beams by a double phase conjugate mirror

O. V. Lyubomudrov, V. V. Shkunov


Abstract: We find the theoretical threshold for phase conjugation of a pump beam with speckle structure by a double photorefractive phase conjugate mirror based on transmitting and reflecting gratings of a diffusion type. For a speckle beam the nonlinear dependence of the profile of light-induced optical nonuniformity on the local intensity profile reduces the readout efficiency and raises the threshold by as much as a factor of 1.5.

UDC: 621.373.826

PACS: 42.65.Hw, 42.30.Ms, 42.79.Bh, 42.70.Nq, 42.79.Dj

Received: 07.04.1992

 English version: Soviet Journal of Quantum Electronics, 1992, 22:11, 1027–1031

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