Confocal and atomic force microscopies of color centers produced by ultrashort laser irradiation in LiF crystals

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dc.contributor.author Courrol, Lilia Coronato [UNIFESP]
dc.contributor.author Martinez, Oscar
dc.contributor.author Samad, Ricardo Elgul
dc.contributor.author Gomes, Laercio
dc.contributor.author Ranieri, Izilda Marcia
dc.contributor.author Baldochi, Sonia Licia
dc.contributor.author Freitas, Anderson Zanardi de
dc.contributor.author Vieira Junior, Nilson Dias
dc.contributor.author Wetter, N. U.
dc.contributor.author Frejlich, J.
dc.date.accessioned 2018-06-18T11:54:41Z
dc.date.available 2018-06-18T11:54:41Z
dc.date.issued 2008-01-01
dc.identifier http://dx.doi.org/10.1063/1.2926962
dc.identifier.citation Riao/optilas 2007. Melville: Amer Inst Physics, v. 992, p. 737-742, 2008.
dc.identifier.issn 0094-243X
dc.identifier.uri http://repositorio.unifesp.br/11600/45528
dc.description.abstract We report properties of the spatial and spectral distribution of color centers produced in LiF single crystals by ultrashort high intensity laser pulses (60 fs, 10 GW) using confocal spectral microscopy and atomic force microscopy. We could identify a large amount of F centers that gave rise to aggregates such as F-2, F-4, F-2(+) and F-3(+) distributed in cracked shape brownish areas. We have taken a 3D image using confocal microscopy of the sample (luminescent image) and no difference is observed in the different planes. The atomic force microscopy image clearly shows the presence of defects on the modified surface. The formation of micrometer or sub-micrometer voids, filaments and void strings was observed and related to filamentation process. en
dc.format.extent 737-742
dc.language.iso eng
dc.publisher Amer Inst Physics
dc.relation.ispartof Riao/optilas 2007
dc.rights Acesso restrito
dc.subject color centers en
dc.subject ultrafast phenomena en
dc.subject waveguides en
dc.subject LiF en
dc.title Confocal and atomic force microscopies of color centers produced by ultrashort laser irradiation in LiF crystals en
dc.type Trabalho apresentado em evento
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.description.affiliation UNIFESP, Dept Ciencias Quim Fis & Matemat, Diadema, SP, Brazil
dc.description.affiliationUnifesp UNIFESP, Dept Ciencias Quim Fis & Matemat, Diadema, SP, Brazil
dc.identifier.doi 10.1063/1.2926962
dc.description.source Web of Science
dc.identifier.wos WOS:000255857900130



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