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Type: Artigo de periódico
Title: Nonlinear Light-induced Absorption In Bi2teo5 Photorefractive Crystals
Author: De Oliveira I.
Capovilla D.A.
Timoteo V.S.
Carvalho J.F.
Frejlich J.
Abstract: We report on the light-induced absorption in undoped photorefractive Bi2TeO5 (BTeO) crystal. The so-called "two-center" model is shown to adequately describe the present material behavior. We demonstrate that nonlinear light-induced absorption occurs for high light intensities. The theoretical model allowed us to find out some material parameters from experimental data. We also investigate the effect of intensity and wavelength on the light-induced absorption.
Editor: Optical Society of American (OSA)
Rights: fechado
Identifier DOI: 10.1364/JOSAB.31.002677
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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