May 2016

Article Contents

Chinese Optics> 2016> 9(3): 329-334.

LIANG Ju-fa, JING Shi-mei, MENG Ai-hua, CHEN Chao, LIU Yun, YU Yong-sen. Integrated optical sensor based on a FBG in parallel with a LPG[J]. Chinese Optics, 2016, 9(3): 329-334. doi: 10.3788/CO.20160903.0329

Citation:

LIANG Ju-fa, JING Shi-mei, MENG Ai-hua, CHEN Chao, LIU Yun, YU Yong-sen. Integrated optical sensor based on a FBG in parallel with a LPG[J].Chinese Optics, 2016, 9(3): 329-334.doi:10.3788/CO.20160903.0329

Citation:

LIANG Ju-fa, JING Shi-mei, MENG Ai-hua, CHEN Chao, LIU Yun, YU Yong-sen. Integrated optical sensor based on a FBG in parallel with a LPG[J].Chinese Optics, 2016, 9(3): 329-334.doi:10.3788/CO.20160903.0329

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Integrated optical sensor based on a FBG in parallel with a LPG

doi:10.3788/CO.20160903.0329

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 Application, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds:

Supported by Jilin Provincial Science and Technology Development Plan ProjectNo.20150520089JH

Changchun City Science and Technology Bureau Major Scientific Research ProjectNo.13KG22

More Information

Author Bio:
LIANG Ju-fa(1990-), male, born in Yunfu, Guangdong Province. He received his bachelor's degree in College of Electronic Science and Engineering, Jilin University in 2013. Now he is a master student in College of Electronic Science and Engineering, Jilin University. His research interest is optical fiber sensors. E-mail:souldean@163.com
Corresponding author:YU Yong-sen(1974-), male, born in Changchun, Jilin Province. He received his doctor's degree in College of Electronic Science and Engineering, Jilin University in 2005. And now he is a professor in College of Electronic Science and Engineering, Jilin University. His research interest is optical fiber gratings and optical fiber sensors. E-mail:yuys@jlu.edu.cn
Received Date:03 Mar 2016
Rev Recd Date:23 Mar 2016
Publish Date:25 Jan 2016

Abstract

Abstract

In order to improve the performance of the fiber optic sensors and further reduce the size of them, a new integrated optical sensor based on a fiber Bragg grating(FBG) in parallel with a long-period grating(LPG) in a single mode fiber is reported in this paper. The FBG and the LPG are fabricated by femtosecond laser using direct inscription process. The variations of temperature and refractive index will cause the variations of resonant wavelengths of FBG and LPG. The experimental results show that the refractive index sensitivities of the FBG and the LPG respectively are 0 nm/RIU and 196.46 nm/RIU, and the temperature sensitivities of them are 12.98 pm/℃ and 10.93 pm/℃ respectively. Therefore, this sensor can be used for measuring temperature and refractive index simultaneously according to the dual parameters sensing matrix.
- integrated optical sensor,
- fiber Bragg grating(FBG),
- long-period grating(LPG),
- femtosecond laser

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References (15)

References

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