Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1063/1.2926886 http://hdl.handle.net/11449/70415 |
Resumo: | 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. |
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Repositório Institucional da UNESP |
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Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer filmsIn 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.Departamento de Física Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP), Caixa Postal 178, 13500-970, Rio Claro, SPLaboratório de Óptica Instituto de Física Gleb Wataghin Universidade Estadual de Campinas (UNICAMP), Caixa Postal 6165, 13083-970, Campinas, SPDepartamento de Física Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP), Caixa Postal 178, 13500-970, Rio Claro, SPUniversidade Estadual Paulista (Unesp)Universidade Estadual de Campinas (UNICAMP)Freschi, A. A. [UNESP]Cortes, A. D S [UNESP]Donatti, D. A. [UNESP]2014-05-27T11:23:33Z2014-05-27T11:23:33Z2008-05-21info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject356-360application/pdfhttp://dx.doi.org/10.1063/1.2926886AIP Conference Proceedings, v. 992, p. 356-360.0094-243X1551-7616http://hdl.handle.net/11449/7041510.1063/1.2926886WOS:0002558579000612-s2.0-436490884092-s2.0-43649088409.pdf3538107401166553Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAIP Conference Proceedingsinfo:eu-repo/semantics/openAccess2023-12-03T06:11:01Zoai:repositorio.unesp.br:11449/70415Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:21:30.253497Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
title |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
spellingShingle |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films Freschi, A. A. [UNESP] |
title_short |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
title_full |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
title_fullStr |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
title_full_unstemmed |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
title_sort |
Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films |
author |
Freschi, A. A. [UNESP] |
author_facet |
Freschi, A. A. [UNESP] Cortes, A. D S [UNESP] Donatti, D. A. [UNESP] |
author_role |
author |
author2 |
Cortes, A. D S [UNESP] Donatti, D. A. [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Estadual de Campinas (UNICAMP) |
dc.contributor.author.fl_str_mv |
Freschi, A. A. [UNESP] Cortes, A. D S [UNESP] Donatti, D. A. [UNESP] |
description |
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. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-05-21 2014-05-27T11:23:33Z 2014-05-27T11:23:33Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1063/1.2926886 AIP Conference Proceedings, v. 992, p. 356-360. 0094-243X 1551-7616 http://hdl.handle.net/11449/70415 10.1063/1.2926886 WOS:000255857900061 2-s2.0-43649088409 2-s2.0-43649088409.pdf 3538107401166553 |
url |
http://dx.doi.org/10.1063/1.2926886 http://hdl.handle.net/11449/70415 |
identifier_str_mv |
AIP Conference Proceedings, v. 992, p. 356-360. 0094-243X 1551-7616 10.1063/1.2926886 WOS:000255857900061 2-s2.0-43649088409 2-s2.0-43649088409.pdf 3538107401166553 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
AIP Conference Proceedings |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
356-360 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129057264500736 |