| 吸收式气敏传感空芯光纤的设计和制备 |
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| 引用本文： | 石艺尉,周志云,汤晓黎,隋可融,朱晓松. 吸收式气敏传感空芯光纤的设计和制备[J]. 红外与毫米波学报, 2009, 28(2): 111-114 |
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| 作者姓名： | 石艺尉 周志云 汤晓黎 隋可融 朱晓松 |
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| 作者单位： | 复旦大学,通信科学与工程系,上海,200433;上海理工大学,城市建设与环境工程学院,上海,200093 |
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| 基金项目： | 浦江人才计划，国家自然科学基金 |
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| 摘 要： | 研发了红外波段吸收式气敏传感空芯光纤.空芯光纤的内面镀有银膜和介质膜,在目标波长提高反射率从而降低损耗.银膜和介质膜分别采用化学银镜反应法和液相镀膜法成膜.优化介质膜的材料和膜厚.光纤在可见光到中红外波段实现了低损耗特性.空芯光纤不仅可以用作气体传感的光吸收气室,而且也可用作红外光的传输媒介.初步实验结果显示这种空芯光纤可以替代普通的气体吸收气室,实现传感系统小型化.
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| 关 键 词： | 光波导 空芯光纤 气室 气体传感 红外吸收 |
| 收稿时间： | 2008-01-10 |
DESIGN AND FABRICATION OF INFRARED HOLLOW FIBERS FOR SPECTROSCOPIC GAS SENSING |
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| SHI Yi-Wei,ZHOU Zhi-Yun,TANG Xiao-Li,SUI Ke-Rong,ZHU Xiao-Song. DESIGN AND FABRICATION OF INFRARED HOLLOW FIBERS FOR SPECTROSCOPIC GAS SENSING[J]. Journal of Infrared and Millimeter Waves, 2009, 28(2): 111-114 |
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| Authors: | SHI Yi-Wei ZHOU Zhi-Yun TANG Xiao-Li SUI Ke-Rong ZHU Xiao-Song |
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| Affiliation: | 1.Department of Communication Science and Engineering;Fudan University;Shanghai 200433;China;2.College of Urban Construction & Environmental Engineering;University of Shanghai for Science and Technology;Shanghai 200093;China |
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| Abstract: | Infrared hollow fibers were developed for spectroscopic gas sensing.The hollow core fiber has a silver film and a dielectric film on its inner surface to enhance the reflection rate,and thus to low the transmission loss.The chemical silver mirror-reaction method and the liquid-phase coating technique were used to form the silver and the dielectric film.Low-loss properties were achieved from the visible to the mid-infrared wavelength regions by optimizing the dielectric material and the film thickness.The lo... |
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| Keywords: | optical waveguide hollow fiber gas cell gas sensing infrared absorption |
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