中国激光, 2010, 37 (8): 2001, 网络出版: 2010-08-13   

基于白光干涉的新型微纳光纤传感器

A Novel Microfiber Sensor Based on White Light Interferometer
作者单位
1 嘉兴学院机电工程学院,浙江 嘉兴 314001
2 湖州师范学院 理学院,浙江 湖州 313000
3 浙江工业大学 激光与光电子技术研究所,浙江 杭州 310023
摘要
提出一种基于白光干涉原理的新型微纳光纤传感器,并利用该传感器测量不同浓度的葡萄糖溶液引起的折射率的微小变化,通过数值求解麦克斯韦方程获得微纳光纤信号光的相位变化与外界溶液的折射率变化关系。实验测量结果证明利用该传感器获得的测量值与理论值基本一致。所设计的传感器具有灵敏度高、结构紧凑、易于和其他光电器件集成等优点。
Abstract
A novel refractometric sensor used to measure the refractive indices of glucose solutions of different concentrations using microfiber is presented. In addition,by solving Maxwell equations and numerical calculations,phase shift of microfiber caused by index change of ambient medium is obtained. Experimental results show that the measured values are in close agreement with the theoretical values. The sensor demonstrated here is featured with high sensitivity,compact size,and easy integration with the optoelectronic devices.
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赵浙明, 吴平辉, 隋成华. 基于白光干涉的新型微纳光纤传感器[J]. 中国激光, 2010, 37(8): 2001. Zhao Zheming, Wu Pinghui, Sui Chenghua. A Novel Microfiber Sensor Based on White Light Interferometer[J]. Chinese Journal of Lasers, 2010, 37(8): 2001.

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