Photorefractive two-wave mixing phase coupling measurement in a self-stabilized recording regime
dc.contributor.author | Montenegro, R. | |
dc.contributor.author | Freschi, A. A. [UNESP] | |
dc.contributor.author | Frejlich, J. | |
dc.contributor.institution | Universidade Estadual de Campinas (UNICAMP) | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2013-09-30T18:50:53Z | |
dc.date.accessioned | 2014-05-20T14:16:37Z | |
dc.date.available | 2013-09-30T18:50:53Z | |
dc.date.available | 2014-05-20T14:16:37Z | |
dc.date.issued | 2008-10-01 | |
dc.description.abstract | The 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.affiliation | Univ Estadual Campinas, IFGW, Lab Opt, BR-13083970 Campinas, SP, Brazil | |
dc.description.affiliation | UNESP, IGCE, Dept Fis, BR-13500970 Rio Claro, SP, Brazil | |
dc.description.affiliationUnesp | UNESP, IGCE, Dept Fis, BR-13500970 Rio Claro, SP, Brazil | |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | |
dc.description.sponsorship | Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) | |
dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | |
dc.format.extent | 6 | |
dc.identifier | http://dx.doi.org/10.1088/1464-4258/10/10/104006 | |
dc.identifier.citation | Journal of Optics A-pure and Applied Optics. Bristol: Iop Publishing Ltd, v. 10, n. 10, p. 6, 2008. | |
dc.identifier.doi | 10.1088/1464-4258/10/10/104006 | |
dc.identifier.issn | 1464-4258 | |
dc.identifier.uri | http://hdl.handle.net/11449/24998 | |
dc.identifier.wos | WOS:000259700100007 | |
dc.language.iso | eng | |
dc.publisher | Iop Publishing Ltd | |
dc.relation.ispartof | Journal of Optics A-pure and Applied Optics | |
dc.rights.accessRights | Acesso restrito | |
dc.source | Web of Science | |
dc.subject | photorefractives | en |
dc.subject | sillenites | en |
dc.subject | two-wave mixing | en |
dc.subject | phase coupling | en |
dc.subject | holography | en |
dc.subject | Debye length | en |
dc.subject | volume holograms | en |
dc.title | Photorefractive two-wave mixing phase coupling measurement in a self-stabilized recording regime | en |
dc.type | Artigo | |
dcterms.license | http://iopscience.iop.org/info/page/openaccess | |
dcterms.rightsHolder | Iop Publishing Ltd | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claro | pt |
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