This article is cited in 1 paper

Nonlinear optical phenomena and devices

Self-rotation of the path of a doubly Gaussian speckle beam in photorefractive crystals

O. V. Lyubomudrov, V. V. Shkunov

Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow

Abstract: An analytical solution is given of the propagation of a doubly Gaussian speckle beam in photorefractive crystals. A beam which retains the Gaussian profile of the angular spectrum and of the envelope of the speckle structure in a transverse cross section exhibits self-rotation of its path at a rate proportional to the square of the irregular ('grey') divergence. The bulk of the beam self-rotation takes place within a distance equal to its focal waist.

PACS: 42.70.Nq, 42.65.Hw

Received: 10.08.1993

 English version: Quantum Electronics, 1994, 24:6, 517–521

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