Gas pressure sensing based on antiresonant reflecting guidance hollow-core fiber

Maoxiang Hou; Yiping Wang; Feng Zhu; Ying Wang; Changrui Liao

doi:10.1117/12.2262316

23 April 2017 Gas pressure sensing based on antiresonant reflecting guidance hollow-core fiber

Maoxiang Hou, Yiping Wang, Feng Zhu, Ying Wang, Changrui Liao

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.

Citation Download Citation

Maoxiang Hou, Yiping Wang, Feng Zhu, Ying Wang, and 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); https://doi.org/10.1117/12.2262316

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