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Título: | Nonlinear optical susceptibility of multicomponent tellurite thin film glasses |
Autor: | Muñoz-Martín, David CSIC ORCID; Fernández Martínez, Héctor CSIC; Fernández Navarro, José María CSIC; Gonzalo, J. CSIC ORCID; Solís Céspedes, Javier CSIC ORCID ; García Fierro, José Luis CSIC ORCID; Domingo, Concepción CSIC ORCID; García-Ramos, José Vicente CSIC ORCID | Palabras clave: | Niobium compounds Nonlinear optical susceptibility Optical films Optical glass Pulsed laser deposition Refractive index Tellurium compounds Titanium compounds |
Fecha de publicación: | 2-dic-2008 | Editor: | American Institute of Physics | Citación: | Journal of applied physics, 104 (11): 113510-113510-5 (2008) | Resumen: | Tellurite (TeO2–TiO2–Nb2O5) thin film glasses have been produced by pulsed laser deposition. The dispersion of the real and imaginary parts of the linear refractive index has been measured in the range from 300 to 1700 nm. Films present high refractive index (n=2.01) and reduced absorption (k<10−4) at =1500 nm. The nonlinear third order optical susceptibility (|(3)|) has been determined at four different wavelengths (600, 800, 1200, and 1500 nm). The out-of-resonance |(3)| values (~10−12 esu) are found to be ten times higher than those of the bulk glass and 102 times higher than that of silica. Compositional and structural analysis reveals an increase of both the Ti atomic content and the fraction of nonbridging oxygen bonds in the deposited films. Both factors lead to a higher hyperpolarizability of the film constituents that is proposed to be responsible for the high |(3)| value of the films. | Descripción: | 5 pags.; 3 figs.; 2 tabs. | Versión del editor: | http://dx.doi.org/10.1063/1.3021052 | URI: | http://hdl.handle.net/10261/17147 | DOI: | 10.1063/1.3021052 | ISSN: | 0021-8979 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos (ICP) Artículos (CFMAC-IO) Artículos |
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