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Chin. Opt. Lett.
 Home  List of Issues    Issue 09 , Vol. 16 , 2018    10.3788/COL201816.090601

An interferometric phase shift fiber Bragg grating sensing system with greatly reduced background phase noise
Lina Ma1, Yu Chen1, Zhengliang Hu1, Jinxing Huang2, Jun Wang1, and Shiqing Li1
1 Colleague of Meteorology and Ocean, [National University of Defense Technology], Changsha 41 0073, China
2 [The Joint Staff of the Central Military Commission], Beijing 10002 2 , China

Chin. Opt. Lett., 2018, 16(09): pp.090601

Topic:Fiber optics and optical communication
Keywords(OCIS Code): 060.2310  060.2370  060.3735  

We presented an interferometric phase shift fiber Bragg grating (FBG) sensor, which inherited the advantages of FBG sensors, and, at the same time, the greatly reduced full-width-at-half-maximum bandwidth brought longer coherent length, higher sensitivity, and lower phase noise. Experiments show that at least a 7 dB reduction of phase noise can be achieved compared to FBG sensors interrogated by interferometer with the same optical path difference.

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:2018/8/30

Get Citation: Lina Ma, Yu Chen, Zhengliang Hu, Jinxing Huang, Jun Wang, and Shiqing Li, "An interferometric phase shift fiber Bragg grating sensing system with greatly reduced background phase noise," Chin. Opt. Lett. 16(09), 090601(2018)

Note: This work was supported by the National Natural Science Foundation of China (No. 11574397) and the Research Plan of National University of Defense Technology (No. ZK16-03-56).


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