A temperature sensor based on optical microfiber knot resonator

被引：69
|
作者：
Zeng, Xu [1 ]
Wu, Yu [1 ]
Hou, Changlun [1 ]
Bai, Jian [1 ]
Yang, Guoguang [1 ]
机构：
[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2009年 / 282卷 / 18期
关键词：
SILICA NANOWIRES; FIBER; FABRICATION;
D O I：
10.1016/j.optcom.2009.05.079
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A type of compact temperature sensor based on microfiber knot resonator is proposed and demonstrated experimentally. The microfiber knot, which is assembled by two fiber probes, is placed on a plate glass substrate and coated with low-index polymer to keep the system robust. Sensitivities of this kind of temperature sensor as 0.27 nm/degrees C in heating process (when temperature ranges from 28 to 140 degrees C) and -0.28 nm/degrees C in cooling process (when temperature ranges from 135 to 25 degrees C) are obtained. Temperature resolution of 0.5 degrees C is demonstrated and higher resolution is predicted with a high-resolution spectrometer. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：3817 / 3819
页数：3
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