Anti-bending Long Period Grating in Embedded-core Optical Fiber

被引：0

作者：

Li, Ping ^{[1
]}

Ye, Peng ^{[1
]}

Wang, Mingjie ^{[1
]}

Yang, Min ^{[1
]}

Zhu, Zheng ^{[1
]}

Shi, Jinhui ^{[1
]}

Fu, Jianan ^{[1
]}

Guan, Chunying ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Sci, Key Lab In Fiber Integrated Opt, Minist Educ, Harbin 150001, Heilongjiang, Peoples R China

来源：

SIXTH INTERNATIONAL CONFERENCE ON OPTICAL AND PHOTONIC ENGINEERING (ICOPEN 2018) | 2018年 / 10827卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Long period fiber grating; optical fiber Sensor; bending measurement; embedded-core optical fiber; REFRACTIVE-INDEX; SENSOR; WRITTEN;

D O I：

10.1117/12.2326947

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 novel anti-bending long period grating (LPG) in an embedded-core hollow optical fiber (ECOF) is proposed and experimentally demonstrated. A piece of ECOF was rotated by 180 degrees around the geometrical center of the fiber, and then it and other ECOF were aligned along the fiber core and spliced. And a LPG, the center of which is the fusion splicing point, was fabricated in the ECOF by using a high-frequency CO2 laser to form an anti-bending sensor. The dependence of the resonant peak on the bending was studied. Experimental results show that the maximum sensitivity of bending is only 0.47 nm/m(-1).

引用

页数：4

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