Spontaneous hexagon formation in photorefractive crystal with a single pump wave | Zendy

Pavel M. Lushnikov | Zendy; A. V. Mamaev | Zendy

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Spontaneous hexagon formation in photorefractive crystal with a single pump wave

Author(s) -

Pavel M. Lushnikov,

A. V. Mamaev

Publication year - 1999

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.24.001511

Subject(s) - optics , photorefractive effect , materials science , amplified spontaneous emission , reflection (computer programming) , scattering , nonlinear optics , spontaneous emission , total internal reflection , light scattering , phase conjugation , physics , laser , computer science , programming language

A new scheme for spontaneous formation of hexagonal optical patterns in photorefractive crystals with dominant reflection gratings and a single pump wave is proposed and realized experimentally. It is shown theoretically that spontaneous hexagon formation results from random small-angle scattering of the pump wave inside the crystal. The threshold of spontaneous hexagon formation is found.

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