Analysis of the topography of a Bragg grating in chalcogenide glass

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dc.contributor.authorMessaddeq, S. H.
dc.contributor.authorLi, M. S.
dc.contributor.authorWerner, U.
dc.contributor.authorMessaddeq, Younes [UNESP]
dc.contributor.authorLezal, D.
dc.contributor.authorAegerter, M. A.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionInst Neue Mat
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionIIC ASCR
dc.contributor.institutionICT
dc.date.accessioned2014-05-20T15:26:51Z
dc.date.available2014-05-20T15:26:51Z
dc.date.issued2001-09-03
dc.description.abstractRelief Bragg gratings were recorded on the surface of Ga-Ge-S glass samples by interference of two UV laser beams at 351 nm, Scanning force microscopy was used to perform a 3D image analysis of the resulting surface topography, which shows the superposition of an imprinted grating over the base topography of the glass. An important question regarding the efficiency of the grating is to determine to what extent the base topography reduces the intended coherent scattering of the grating because of its stochastic character. To answer this question we separated both base and grating structures by Fourier filtering, examined both spatial frequency and roughness, and determined the correlation. (C) 2001 Elsevier B.V. B.V. All rights reserved.en
dc.description.affiliationUSP, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
dc.description.affiliationInst Neue Mat, D-66123 Saarbrucken, Germany
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationIIC ASCR, Lab Inorgan Mat, Prague 6, Czech Republic
dc.description.affiliationICT, Prague 6, Czech Republic
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil
dc.format.extent19-27
dc.identifierhttp://dx.doi.org/10.1016/S0169-4332(01)00337-3
dc.identifier.citationApplied Surface Science. Amsterdam: Elsevier B.V., v. 181, n. 1-2, p. 19-27, 2001.
dc.identifier.doi10.1016/S0169-4332(01)00337-3
dc.identifier.issn0169-4332
dc.identifier.lattes2998503841917815
dc.identifier.urihttp://hdl.handle.net/11449/36936
dc.identifier.wosWOS:000171063300003
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofApplied Surface Science
dc.relation.ispartofjcr4.439
dc.relation.ispartofsjr1,093
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectlight-induced effectspt
dc.subjectchalcogenide glassespt
dc.subjectatomic force microscopypt
dc.subjectrelief gratingspt
dc.titleAnalysis of the topography of a Bragg grating in chalcogenide glassen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes2998503841917815
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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