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Influence of the non-uniformity of the grating along sample thickness and of grating period variation, on the diffraction efficiency optimization in a sillenite crystal (Bi12SiO20) in a strong non-linear regime under an external dc field

✍ Scribed by G. González; A. Zúñiga; L.F. Magana

Book ID: 111713536
Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 377 KB
Volume: 31
Category: Article
ISSN: 0925-3467
DOI: 10.1016/j.optmat.2009.01.003

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The energy exchange during two-wave mixing can be increased in photorefractive sillenite crystals considering thick samples (i.e., large interaction lengths). Nevertheless, in thick samples under a non-linear regime, the light modulation does not remain constant along wave propagation, and there is