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24 July 2018 Anti-bending long period grating in embedded-core optical fiber
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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.
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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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