Mach-Zehnder interferometer based on core-cladding mode coupling in single mode fibers |
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| Authors: | Yan LIU Bo LIU Hao ZHANG Yinping MIAO |
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| Affiliation: | 1. Key Laboratory of Opto-Electronic Information and Technology,Ministry of Education,Institute of Modern Optics,Nankai University,Tianjin 300071,China
2. Tianjin Key Laboratory of Film Electronic and Communication Devices,School of Electronics Information Engineering,Tianjin University of Technology,Tianjin 300384,China |
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| Abstract: | In this paper,a novel simple but effective method is presented to construct compact all-fiber Mach-Zehnder (M-Z) interferometer based on CO2-laser-machined micro-notches in single mode fibers.Interference fringes are obtained,and temperature,force,and bending characteristics of the interferometer have been experimentally investigated.Such a compact fiber component with acceptable sensing performances makes it a good candidate for the measurement of numerous physical parameters. |
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| Keywords: | Mach-Zehnder (M-Z) interferometer micro-notch optical fiber sensor single mode fiber |
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