Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

材料科学技术（英文）, 2011, 27(9): 821-825.

Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

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1.Department of Physics, China University of Mining and Technology, Xuzhou 221116, China

2.Department of Physics, China University of Mining and Technology, Xuzhou 221116, China

3.Department of Physics, China University of Mining and Technology, Xuzhou 221116, China

4.Department of Physics, China University of Mining and Technology, Xuzhou 221116, China

基金项目: This work was supported by the Fundamental Re- search Funds for the Central Universities(2010LKWL06)

关键词：薄膜制备 , 光学性质 , 涂层制备 , 纺纱 , 分光光度计 , 光有源器件 , 石英衬底 , 棱镜耦合

Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

Keywords： Ca0.25Ba0.75Nb2O6 , Optical property , Spinning coating ,

Ca0.25Ba0.75Nb2O6 （CBN25） thin film was prepared on quartz substrate by spinning coating and the optical properties were investigated by a Hitachi U-3410 spectrophotometer and a Metricon 2010 prism coupler. The optical band gap, thickness and refractive index at 632.8 nm of the CBN25 thin film were determined to be 3.65 eV, 529 nm and 2.2258, respectively. The dispersion of the refractive index fitted to Sellmeier relation well and optical waves could be guided into the thin film, which implied that CBN25 thin films were promising for integrated optics and optically active devices.

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Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

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