1. BARIUM STRONTIUM ZIRCONATE TITANATE (BSZT) THIN FILMS FOR OPTICAL WAVEGUIDE APPLICATIONS.
- Author
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S. H. Choy, D. Y. Wang, J. Y. Dai, H. L. W. Chan, and C. L. Choy
- Subjects
BARIUM ,STRONTIUM ,TITANATES ,PULSED laser deposition ,THIN films ,REFRACTIVE index - Abstract
Barium strontium zirconate titanate [(Ba 1-x Sr x )(Zr x Ti 1-x )O 3 , BSZT-100x], thin films with x = 0.025 and 0.05 (BSZT-2.5 and BSZT-5) were grown on MgO (100) substrates by pulsed laser deposition. X-ray diffraction measurements revealed that the BSZT films had grown epitaxially on the MgO (100) substrates. The refractive index and thickness of the BSZT-2.5 and BSZT-5 films were determined using a prism coupler. The electro-optic (E-O) properties were measured at 632.8 nm wavelength using a phase modulation detection method. The BSZT films exhibited a predominantly quadratic E-O behavior and the E-O coefficient of BSZT-2.5 and BSZT-5 were found to be 1.52 × 10 -18 m 2 /V 2 and 2.04 × 10 -18 m 2 /V 2 , respectively. [ABSTRACT FROM AUTHOR]
- Published
- 2006
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