Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films
dc.contributor.author | Freschi, A. A. [UNESP] | |
dc.contributor.author | Cortes, A. D S [UNESP] | |
dc.contributor.author | Donatti, D. A. [UNESP] | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.contributor.institution | Universidade Estadual de Campinas (UNICAMP) | |
dc.date.accessioned | 2014-05-27T11:23:33Z | |
dc.date.available | 2014-05-27T11:23:33Z | |
dc.date.issued | 2008-05-21 | |
dc.description.abstract | In this work we use a stabilized holographic technique to study both refractive index and absorption gratings recorded in thin films made of Disperse Red 1 (DR1) embedded in an organic polymer matrix (PMMA) deposited on glass substrate. Gratings are recorded by linearly polarized illumination with the interference pattern of two crossing beams. One of the beams is phase modulated and the interference signals between the transmitted and diffracted waves are detected by a tuned lock-in amplifier. The technique allows measuring separately changes of the refractive index and the absorption coefficient during the course of the photoreaction process. The time evolution of the diffraction efficiencies during recording has shown bi-exponential kinetics for both gratings. © 2008 American Institute of Physics. | en |
dc.description.affiliation | Departamento de Física Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP), Caixa Postal 178, 13500-970, Rio Claro, SP | |
dc.description.affiliation | Laboratório de Óptica Instituto de Física Gleb Wataghin Universidade Estadual de Campinas (UNICAMP), Caixa Postal 6165, 13083-970, Campinas, SP | |
dc.description.affiliationUnesp | Departamento de Física Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP), Caixa Postal 178, 13500-970, Rio Claro, SP | |
dc.format.extent | 356-360 | |
dc.identifier | http://dx.doi.org/10.1063/1.2926886 | |
dc.identifier.citation | AIP Conference Proceedings, v. 992, p. 356-360. | |
dc.identifier.doi | 10.1063/1.2926886 | |
dc.identifier.file | 2-s2.0-43649088409.pdf | |
dc.identifier.issn | 0094-243X | |
dc.identifier.issn | 1551-7616 | |
dc.identifier.lattes | 3538107401166553 | |
dc.identifier.scopus | 2-s2.0-43649088409 | |
dc.identifier.uri | http://hdl.handle.net/11449/70415 | |
dc.identifier.wos | WOS:000255857900061 | |
dc.language.iso | eng | |
dc.relation.ispartof | AIP Conference Proceedings | |
dc.rights.accessRights | Acesso aberto | |
dc.source | Scopus | |
dc.title | Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films | en |
dc.type | Trabalho apresentado em evento | |
dcterms.license | http://publishing.aip.org/authors/web-posting-guidelines | |
unesp.author.lattes | 3538107401166553 | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claro | pt |
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