Paper
24 July 2018 Anti-bending long period grating in embedded-core optical fiber
Ping Li, Peng Ye, Mingjie Wang, Min Yang, Zheng Zhu, Jinhui Shi, Jianan Fu, Chunying Guan
Author Affiliations +
Proceedings Volume 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018); 108273D (2018) https://doi.org/10.1117/12.2326947
Event: Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 2018, Shanghai, China
Abstract
A novel anti-bending long period grating (LPG) in an embedded-core hollow optical fiber (ECOF) is proposed and experimentally demonstrated. A piece of ECOF was rotated by 180° around the geometrical center of the fiber, and then it and other ECOF were aligned along the fiber core and spliced. And a LPG, the center of which is the fusion splicing point, was fabricated in the ECOF by using a high-frequency CO2 laser to form an anti-bending sensor. The dependence of the resonant peak on the bending was studied. Experimental results show that the maximum sensitivity of bending is only 0.47 nm/m-1.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ping Li, Peng Ye, Mingjie Wang, Min Yang, Zheng Zhu, Jinhui Shi, Jianan Fu, and Chunying Guan "Anti-bending long period grating in embedded-core optical fiber", Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108273D (24 July 2018); https://doi.org/10.1117/12.2326947
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KEYWORDS
Optical fibers

Sensors

Fiber Bragg gratings

Fiber optics sensors

Fusion splicing

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