DUSSAUZE, Marc; MALAKHO, Artem; FARGIN, Evelyne; MANAUD, Jean-Pierre; RODRIGUEZ, Vincent; ADAMIETZ, Frédéric; LAZORYAK, Bogdan

doi:10.1063/1.2210572

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DUSSAUZE, Marc
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

MALAKHO, Artem
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

FARGIN, Evelyne
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Applied Physics. 2006, vol. 100, n° 1, p. 013108

American Institute of Physics

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Thin films of sodium niobium borophosphate glass were deposited on silicon wafer and borosilicate glass substrates by radio frequency sputtering. Thermal poling of the films was performed under various voltage conditions. The chemical composition of the films after poling was controlled by x-ray energy dispersive spectroscopy and compared to the initial composition. The second harmonic signals generated by thermal poling were analyzed in reflection mode. The recorded complex Maker fringes pattern signals were simulated and fitted using a multilayer model for the estimation of the second harmonic generation nonlinear coefficients chi(2). The results are compared to previously published chi(2) coefficients obtained for bulk oxide glasses (~3 pm/V, approximately fourfold as strong as the highest value reported in thermally poled fused silica). Resulting from this study thermally poled niobium sodium borophosphate thin films are revealed of real interest as potential electro-optic devices.< Leer menos

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Frequency conversion

Harmonic generation

Glasses

Electrooptical effects

Ferroelectricity and antiferroelectricity

X-ray spectroscopy

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Large second order optical nonlinearity in thermally poled amorphous niobium borophosphate films

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