飞秒激光刻写的超短光纤布拉格光栅及其传感特性

敬世美; 张轩宇; 梁居发; 陈超; 郑钟铭; 于永森

doi:10.3788/CO.20171004.0449

Volume 10 Issue 4

Jul. 2017

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Article Contents

Chinese Optics > 2017 > 10(4): 449-454.

JING Shi-mei, ZHANG Xuan-yu, LIANG Ju-fa, CHEN Chao, ZHENG Zhong-ming, YU Yong-sen. Ultrashort fiber Bragg grating written by femtosecond laser and its sensing characteristics[J]. Chinese Optics, 2017, 10(4): 449-454. doi: 10.3788/CO.20171004.0449

Citation:

JING Shi-mei, ZHANG Xuan-yu, LIANG Ju-fa, CHEN Chao, ZHENG Zhong-ming, YU Yong-sen. Ultrashort fiber Bragg grating written by femtosecond laser and its sensing characteristics[J]. Chinese Optics, 2017, 10(4): 449-454. doi: 10.3788/CO.20171004.0449

Citation:

JING Shi-mei, ZHANG Xuan-yu, LIANG Ju-fa, CHEN Chao, ZHENG Zhong-ming, YU Yong-sen. Ultrashort fiber Bragg grating written by femtosecond laser and its sensing characteristics[J]. Chinese Optics, 2017, 10(4): 449-454. doi: 10.3788/CO.20171004.0449

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Ultrashort fiber Bragg grating written by femtosecond laser and its sensing characteristics

doi: 10.3788/CO.20171004.0449

1.
State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
2.
State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds:

the National Natural Science Foundation of China 61505206

Jilin Provincial S & T Development Program Project 20150520089JH

More Information

Corresponding author: YU Yong-sen, E-mail:yuys@jlu.edu.cn
Received Date: 28 Feb 2017
Rev Recd Date: 03 Apr 2017
Publish Date: 01 Aug 2017

Abstract

Abstract

In order to improve the measurement accuracy and reliability of fiber grating sensors, realize the single-point measurement ability and broaden the application of fiber Bragg grating (FBG), an ultrashort FBG is fabricated based on the femtosecond laser direct writing technique in this paper. The ultrashort FBG with a period of 5.35 μm and a length of 53.5 μm is fabricated in single mode fiber, and its temperature sensitivity and stress sensitivity are 0.011 nm/℃ and 1.509 nm/N, respectively. Then, a microchannel ultrashort FBG based on ultrashort FBG is fabricated by selective corrosion with a volume fraction of 4% hydrofluoric acid, and its sensing property to NaCl solution is studied. The refractive index sensitivity of the microchannel ultrashort FBG is 69.11 nm/RIU. The microchannel ultrashort FBG has the advantages of high repeatability and multi-parameter measurement.
- femtosecond laser writing,
- ultrashort fiber Bragg grating,
- temperature,
- stress,
- refractive index

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References(18)

References

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