Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/64605
Type: Artigo de periódico
Title: ELECTROPHOTOCHROMIC GRATINGS IN PHOTOREFRACTIVE BI12TIO20 CRYSTALS
Author: KAMSHILIN, AA
FREJLICH, J
GARCIA, PM
Abstract: We present the first experimental demonstration of quasi-permanent holographic recordings in Bi12TiO20 crystals through what is to our knowledge a new electrophotochromic effect. This arises from spatial redistribution of some centers that are different from photorefractive centers. Light diffracted from this photochromic grating records a secondary photorefractive hologram. Interaction between both gratings results in asymmetric polarization properties and reversible electric field enhancement of diffracted beams.
Subject: PHOTOREFRACTIVES
HOLOGRAPHY
PHOTOCHROMIC EFFECTS
Editor: Optical Soc Amer
Rights: aberto
Date Issue: 1992
Appears in Collections:Unicamp - Artigos e Outros Documentos

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