23 April 2017 Gas pressure sensing based on antiresonant reflecting guidance hollow-core fiber
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103231V (2017) https://doi.org/10.1117/12.2262316
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
Gas pressure sensor based on an antiresonant reflecting guidance mechanism in a hollow-core fiber (HCF) with an open microchannel is experimentally demonstrated. The microchannel is created on the ring cladding of the HCF by femtosecond laser to provide an aircore pressure equivalent to the external pressure. The HCF cladding functions as an antiresonant reflecting waveguide, which induces sharp periodic losses in its transmission spectrum. The proposed sensor is miniature, robust, and exhibits a high pressure sensitivity of 3.592 nm/MPa, a low temperature cross-sensitivity of 7.5 kPa/°C.
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Maoxiang Hou, Maoxiang Hou, Yiping Wang, Yiping Wang, Feng Zhu, Feng Zhu, Ying Wang, Ying Wang, Changrui Liao, Changrui Liao, } "Gas pressure sensing based on antiresonant reflecting guidance hollow-core fiber", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231V (23 April 2017); doi: 10.1117/12.2262316; https://doi.org/10.1117/12.2262316
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