A high sensitivity temperature sensor realized with cascaded long period fiber grating-based Sagnac loop

被引：6

作者：

Ruan, Juan ^{[1
]}

Qin, Zi Xiong ^{[1
]}

Zeng, Qin Ke ^{[2
]}

机构：

[1] Guangxi Normal Univ, Coll Phys Sci & Technol, Guilin 541004, Peoples R China

[2] Guangxi Normal Univ, Coll Elect Engn, Guilin 541004, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 319卷

关键词：

Sagnac loop; Temperature; Polarization maintaining fiber; INTERFEROMETER; STRAIN;

D O I：

10.1016/j.optcom.2013.12.074

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel cascaded structure which comprises long period fiber gratings inscribed in a single mode fiber and a Panda polarization maintaining fiber is proposed. A high sensitivity temperature sensor is obtained when the novel cascaded structure is inserted into Sagnac loop. Its response to temperature and polarization is investigated. The temperature sensitivity reaches up to -1.26 nm/degrees C. Furthermore, the experimental results show that notch 1 is almost immune to the state of polarization. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：42 / 44

页数：3

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