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Proceedings Paper

Mach-Zehnder interferometer in embedded-core optical fiber
Author(s): Jianan Fu; Meng Wang; Peng Huang; Jing Yang; Zheng Zhu; Chunying Guan; Libo Yuan
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Paper Abstract

A novel Mach-Zehnder interferometer (MZI) based on a pair of long period fiber gratings (LPGs) in an embedded-core hollow optical fiber (ECOF) are proposed and demonstrated experimentally. Two similar LPGs with peak attenuation of approximately 3dB are fabricated in an ECOF by using high-frequency CO2 laser to form an in-fiber MZI. The dependences of the resonant peak on the temperature and the axial strain were studied. Experimental results show that sensitivities of the temperature and the axial strain are 64.3 pm/°С and 0.4 pm/με, respectively.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032344 (23 April 2017); doi: 10.1117/12.2265457
Show Author Affiliations
Jianan Fu, Harbin Engineering Univ. (China)
Meng Wang, Harbin Engineering Univ. (China)
Peng Huang, Harbin Engineering Univ. (China)
Jing Yang, Harbin Engineering Univ. (China)
Zheng Zhu, Harbin Engineering Univ. (China)
Chunying Guan, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering 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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