Light-induced transmission nonlinearities in gallium selenide
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Light-induced transmission nonlinearities in gallium selenide

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Light-induced transmission nonlinearities in gallium selenide

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dc.contributor.author Ferrer Roca, Chantal
dc.contributor.author Bouvier, Jaqueline
dc.contributor.author Segura García del Río, Alfredo
dc.contributor.author Andrés Bou, Miguel Vicente
dc.contributor.author Muñoz Sanjosé, Vicente
dc.date.accessioned 2010-06-03T07:43:46Z
dc.date.available 2010-06-03T07:43:46Z
dc.date.issued 1999
dc.identifier.uri http://hdl.handle.net/10550/12855
dc.language.iso en en
dc.relation http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000085000007003780000001&idtype=cvips&prog=normal&doi=10.1063/1.369748 en
dc.source FERRER ROCA, Ch. ; BOUVIER, J. ; SEGURA, A. ; ANDRÉS, M.V. ; MUÑOZ, V. Light-induced transmission nonlinearities in gallium selenide. En: Journal of Applied Physics, 1999, vol. 85, no. 7 en
dc.subject Gallium compounds ; III-VI semiconductors ; Nonlinear optics ; Light transmission ; Refractive index ; Excitons ; Absorption coefficients ; Carrier density en
dc.title Light-induced transmission nonlinearities in gallium selenide en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::FÍSICA en
dc.identifier.doi 10.1063/1.369748 en
dc.description.abstractenglish The intensity of a He–Ne laser (633 nm, 5 mW) transmitted by different GaSe samples is observed to change in correlation with a Nd-yttrium–aluminum–garnet laser pulse (532 nm, 7.8 ns, 3 mJ) which excites them. Such time response has been attributed to a nonlinear optical effect, i.e., a decrease in the refractive index due to the exciton screening by the photogenerated carriers. A calculation of the absorption coefficient and refractive index at different carrier concentrations has led to a reconstruction of transmittance transients which fully agree with the experimental data at different incident intensities and temperatures. en
dc.description.private Chantal.Ferrer@uv.es ; Jaqueline.Bouvier@uv.es ; Miguel.Andres@uv.es ; Vicente.Munoz@uv.es en

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