Analysis and test of a distributed FBG sensor system by optical frequency domain reflectometry technique

Yuewen Han; Cheng Cheng; Wei Li

doi:10.1117/12.915574

17 February 2012 Analysis and test of a distributed FBG sensor system by optical frequency domain reflectometry technique

Yuewen Han, Cheng Cheng, Wei Li

Author Affiliations +

Proceedings Volume 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging; 833205 (2012) https://doi.org/10.1117/12.915574
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

An optical frequency domain technique is applied in this paper. The sampling method generally used is analyzed here. Calculations consequence shows that sampling signal from branch composed with double reflectors seems not so excellent in simulation, signal periods of this arm due to different distance of reflectors are compared, and consequence shows coincidence with principle and simulation. It means proportional relationship of frequency and distance of double reflectors. Strain is added to FBG sensor and measured at a point of optical fiber arm, with its location tested also.

Citation Download Citation

Yuewen Han, Cheng Cheng, and Wei Li "Analysis and test of a distributed FBG sensor system by optical frequency domain reflectometry technique", Proc. SPIE 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging, 833205 (17 February 2012); https://doi.org/10.1117/12.915574

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