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Type: Artigo de periódico
Title: Shape-asymmetry of the diffraction efficiency in Bi12TiO20 crystals: the simultaneous influence of absorption and higher harmonics
Author: Shamonina, E
Ringhofer, KH
Garcia, PM
Freschi, AA
Frejlich, J
Abstract: Studying moving holographic gratings in a Bi12TiO20 crystal with an applied external field. we have observed the appearance of a ''shape-asymmetry'' in the diffraction efficiency as a function of frequency detuning. The effect is mainly absorption-induced: for large modulation depth it is further enhanced by the influence of higher harmonics. (C) 1997 Elsevier Science B.V.
Subject: BTO
higher harmonics
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0030-4018(97)00264-2
Date Issue: 1997
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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