Sensitive strain sensor based on regenerated microfiber Bragg grating for high temperature environment

Yang Ran; Shuai Gao; Long Jin; Li-Peng Sun; Yun-Yun Huang; Jie Li; Baiou Guan

doi:10.1117/12.2183669

1 July 2015 Sensitive strain sensor based on regenerated microfiber Bragg grating for high temperature environment

Yang Ran, Shuai Gao, Long Jin, Li-Peng Sun, Yun-Yun Huang, Jie Li, Baiou Guan

Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96552V (2015) https://doi.org/10.1117/12.2183669
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of

Abstract

In this paper, an abnormal grating evolution was recorded during microfiber Bragg grating (mFBG) inscription under 193nm excimer laser. Within 20 minutes exposing, a Type IIa FBG could be obtained with above 20dB strength in 8.5 μm microfiber. This regenerated mFBG had good survival ability against high temperature up to 800 °C. Moreover, the strain response of the regenerated grating was enlarged by the microfiber structure. Thus, highly sensitive strain sensor with considerable temperature resistance could be obtained, which had potential applications in gas/oil and aerospace territory.

Citation Download Citation

Yang Ran, Shuai Gao, Long Jin, Li-Peng Sun, Yun-Yun Huang, Jie Li, and Baiou Guan "Sensitive strain sensor based on regenerated microfiber Bragg grating for high temperature environment", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96552V (1 July 2015); https://doi.org/10.1117/12.2183669

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