Fiber In-Line Michelson Interferometer Tip Sensor Fabricated by Femtosecond Laser

被引：37

作者：

Liao, Changrui R. ^{[1
]}

Wang, D. N. ^{[1
]}

Wang, Min ^{[2
]}

Yang, Minghong ^{[2
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

[2] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 22期

关键词：

Femtosecond laser; fiber sensor; Michelson interferometer; REFRACTIVE-INDEX SENSOR; PHOTONIC-CRYSTAL-FIBER;

D O I：

10.1109/LPT.2012.2219517

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A fiber in-line Michelson interferometer tip sensor based on open micro-cavity, which is fabricated by femtosecond laser micromachining and the thin film coating technique, is proposed and demonstrated. When used in refractive index sensing, such an interferometer operates in a reflection mode of detection, and exhibits a compact sensor head, good mechanical reliability, wide operation range, and high sensitivity of 975 nm/refractive index unit at a refractive index value of 1.484.

引用

页码：2060 / 2063

页数：4

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