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Proceedings Paper

Large third-order nonlinear optical susceptiblity of Rh: BaTiO3 thin films prepared by PLD
Author(s): Guang Yang; Zhenghao Chen; Huibin Lu; Weitian Wang; Lei Yan; Guozhen Yang
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Paper Abstract

Highly c-axis oriented Rh-doped BaTiO3 thin films were grown on MgO substrates by pulsed laser deposition using a single-crystal Rh:BaTiO3 target. THE 150 nm-thick films were deposited at 800 degrees C under the oxygen pressure of 7 by 10-2 Pa. The structural properties of the samples were characterized by x-ray diffraction and atomic force microscopy. The full width at half-maximum of the (002) Rh:BaTiO3 rocking curve and the root-mean-square surface roughness within the 5 by 5 micrometers 2 area were 0.520 degrees and 0.85 nm, respectively. The nonlinear optical properties of the films were determined by a single beam z-scan at a wavelength of 532 nm with laser duration of 10 ns. The result shows that Rh:BaTiO3 thin films exhibit a great nonlinear optical response with the real and imaginary parts of the third-order nonlinear optical susceptibility (chi) (3) being 3.59 X 10-7 esu and 4.01 X 10-8 esu, respectively.

Paper Details

Date Published: 24 June 2002
PDF: 6 pages
Proc. SPIE 4806, Complex Mediums III: Beyond Linear Isotropic Dielectrics, (24 June 2002); doi: 10.1117/12.473000
Show Author Affiliations
Guang Yang, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Zhenghao Chen, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Huibin Lu, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Weitian Wang, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Lei Yan, Institute of Physics and Ctr. for Condensed Matter Physics (China)
Guozhen Yang, Institute of Physics and Ctr. for Condensed Matter Physics (China)


Published in SPIE Proceedings Vol. 4806:
Complex Mediums III: Beyond Linear Isotropic Dielectrics
Akhlesh Lakhtakia; Graeme Dewar; Martin W. McCall, Editor(s)

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