Photorefractive two-wave mixing phase coupling measurement in a self-stabilized recording regime

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dc.contributor.authorMontenegro, R.
dc.contributor.authorFreschi, A. A. [UNESP]
dc.contributor.authorFrejlich, J.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2013-09-30T18:50:53Z
dc.date.accessioned2014-05-20T14:16:37Z
dc.date.available2013-09-30T18:50:53Z
dc.date.available2014-05-20T14:16:37Z
dc.date.issued2008-10-01
dc.description.abstractThe measurement of the phase coupling. between the two-wave mixed transmitted and diffracted beams behind a photorefractive material is directly obtained using a self-stabilized recording technique. These phase coupling data are used to compute the Debye screening length on an undoped Bi(12)TiO(20) crystal. The diffraction efficiency, which is obtained in two different ways from the same self-stabilized experimental run, is similarly processed to compute the Debye length too. The Debye length is also measured for Pb- and Zr-doped Bi(12)TiO(20) crystals, and from this parameter the corresponding effective density of traps is computed and shown to be lower than for the undoped sample.en
dc.description.affiliationUniv Estadual Campinas, IFGW, Lab Opt, BR-13083970 Campinas, SP, Brazil
dc.description.affiliationUNESP, IGCE, Dept Fis, BR-13500970 Rio Claro, SP, Brazil
dc.description.affiliationUnespUNESP, IGCE, Dept Fis, BR-13500970 Rio Claro, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent6
dc.identifierhttp://dx.doi.org/10.1088/1464-4258/10/10/104006
dc.identifier.citationJournal of Optics A-pure and Applied Optics. Bristol: Iop Publishing Ltd, v. 10, n. 10, p. 6, 2008.
dc.identifier.doi10.1088/1464-4258/10/10/104006
dc.identifier.issn1464-4258
dc.identifier.urihttp://hdl.handle.net/11449/24998
dc.identifier.wosWOS:000259700100007
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofJournal of Optics A-pure and Applied Optics
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectphotorefractivesen
dc.subjectsillenitesen
dc.subjecttwo-wave mixingen
dc.subjectphase couplingen
dc.subjectholographyen
dc.subjectDebye lengthen
dc.subjectvolume hologramsen
dc.titlePhotorefractive two-wave mixing phase coupling measurement in a self-stabilized recording regimeen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/info/page/openaccess
dcterms.rightsHolderIop Publishing Ltd
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Física - IGCE