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Chin. Opt. Lett.
 Home  List of Issues    Issue 04 , Vol. 16 , 2018    10.3788/COL201816.040606

Regenerated fiber Bragg grating for fiber laser sensing at high temperatures
Yumin Zhang1;2, Dandan Rong1;2, Lianqing Zhu1;2, Mingli Dong1;2, and Fei Luo1
1 Beijing Engineering Research Center of Optoelectronic Information and Instrument, [Beijing Information Science and Technology University], Beijing 1 0001 6, China
2 Beijing Key Laboratory of Optoelectronic Measurement Technology, [Beijing Information Science and Technology University], Beijing 100192 , China

Chin. Opt. Lett., 2018, 16(04): pp.040606

Topic:Fiber optics and optical communication
Keywords(OCIS Code): 060.2370  140.3510  

Thermally regenerated low-reflectivity fiber Bragg gratings (RFBGs), as one mirror of a resonant cavity, have been introduced as linear-cavity fiber lasers combining with fiber saturable absorbers. The output of lasing presents an optical signal-to-noise ratio of 50 dB and temperature sensitivity coefficient of 15.36 pm/°C for the heating process and 15.46 pm/°C for the cooling process. The lasing wavelength variation and power fluctuation at 700°C are less than 0.02 nm and 0.21 dB, respectively. The RFBG-based fiber laser sensing has displayed good linearity for both the temperature rising and cooling processes, and favorable stability at high temperatures.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2018/3/30

Get Citation: Yumin Zhang, Dandan Rong, Lianqing Zhu, Mingli Dong, and Fei Luo, "Regenerated fiber Bragg grating for fiber laser sensing at high temperatures," Chin. Opt. Lett. 16(04), 040606(2018)

Note: This work was supported by the Beijing Outstanding Talent Training Funded Project (No. 2015000020124G074), the 111 Project (No. D17021), and the Changjiang Scholars and Innovative Research Team in University (No. IRT_16R07).


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