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Proceedings Paper

Gas pressure sensing based on antiresonant reflecting guidance hollow-core fiber
Author(s): Maoxiang Hou; Yiping Wang; Feng Zhu; Ying Wang; Changrui Liao
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Paper 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.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231V (23 April 2017); doi: 10.1117/12.2262316
Show Author Affiliations
Maoxiang Hou, Shenzhen Univ. (China)
Yiping Wang, Shenzhen Univ. (China)
Feng Zhu, Shenzhen Univ. (China)
Ying Wang, Shenzhen Univ. (China)
Changrui Liao, Shenzhen Univ. (China)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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