Refractive index sensor based on an abrupt taper Michelson interferometer in a single-mode fiber

被引：263
|
作者：
Tian, Zhaobing [1 ]
Yam, Scott S-H. [2 ]
Loock, Hans-Peter [3 ]
机构：
[1] Queens Univ, Dept Phys Engn Phys & Astron, Kingston, ON K7L 3N6, Canada
[2] Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada
[3] Queens Univ, Dept Chem, Kingston, ON K7L 3N6, Canada
来源：
OPTICS LETTERS | 2008年 / 33卷 / 10期
关键词：
D O I：
10.1364/OL.33.001105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple refractive index sensor based on a Michelson interferometer in a single-mode fiber is constructed and demonstrated. The sensor consists of a single symmetrically abrupt taper region in a short piece of single-mode fiber that is terminated by similar to 500 nm thick gold coating. The sensitivity of the new sensor is similar to that of a long-period-grating-type sensor, and its ease of fabrication offers a low-cost alternative to current sensing applications. (C) 2008 Optical Society of America.
引用
收藏
页码：1105 / 1107
页数：3
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