气敏Ti:LiNbO/sub - 3/光波导上的溶胶凝胶衍生WO/sub - 3/涂层

1996 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings Pub Date : 1996-12-08 DOI:10.1109/COMMAD.1996.610173

Z. Chen, X. Ma, H. Sun, W. Wlodarski, M. Austin

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引用次数: 0

摘要

采用溶胶-凝胶法制备了Ti:LiNbO/sub - 3/光波导上的WO/sub - 3/涂层。经x射线衍射测定，退火后的涂层呈三斜钙钛矿晶体结构。光学测试结果表明，涂层沉积后直线波导的输出功率下降(在饱和乙醇蒸汽存在下，从62 /spl mu/W降至25 /spl mu/W)。

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Sol-gel derived WO/sub 3/ coatings on Ti:LiNbO/sub 3/ optical waveguide for gas sensing

WO/sub 3/ coatings on Ti:LiNbO/sub 3/ optical waveguides have been prepared from tungsten ethoxide by a sol-gel method. The annealed coatings display a triclinic perovskite crystalline structure determined by X-ray diffraction. Optical tests show that output power of the straight line waveguide decreases after deposition of the coatings (from 62 /spl mu/W to 25 /spl mu/W in the presence of saturated ethanol vapour).

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1996 Conference on Optoelectronic and Microelectronic Materials and Devices. Proceedings

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