Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100380
Type: Artigo de periódico
Title: Photorefractive Saturale Kerr-type Nonlinearity In Photovoltaic Crystals
Author: Bian S.
Frejlich J.
Ringhofer K.H.
Abstract: We deduce the equation describing the refractive index perturbation in photovoltaic photorefractive crystals produced by the incidence of a focused laser beam and an incoherent uniform illumination. Under short-circuit conditions the equation shows a saturable Kerr-type nonlinearity that can be controlled by the intensity of the uniform background illumination. Z-scan experiments in an iron doped lithium niobate crystal are carried out using a 532 nm wavelength laser line to evaluate its self-lensing properties and to measure its photovoltaic field.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-6944252221&partnerID=40&md5=0aea6685bbf72fa050bb5ab9a0a5e78f
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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