Mach-Zehnder interferometer in embedded-core optical fiber

Jianan Fu; Meng Wang; Peng Huang; Jing Yang; Zheng Zhu; Chunying Guan; Libo Yuan

doi:10.1117/12.2265457

23 April 2017 Mach-Zehnder interferometer in embedded-core optical fiber

Jianan Fu, Meng Wang, Peng Huang, Jing Yang, Zheng Zhu, Chunying Guan, Libo Yuan

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032344 (2017) https://doi.org/10.1117/12.2265457
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

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.

Citation Download Citation

Jianan Fu, Meng Wang, Peng Huang, Jing Yang, Zheng Zhu, Chunying Guan, and Libo Yuan "Mach-Zehnder interferometer in embedded-core optical fiber", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032344 (23 April 2017); https://doi.org/10.1117/12.2265457

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