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Proceedings Paper

Fiber inline core-cladding-mode interferometer fabricated by CO2 laser irradiation
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Paper Abstract

Fiber inline core-cladding-mode interferometers (CCMI) fabricated by CO2 laser irradiations were demonstrated. CCMI sensors operate based on the interference between the core mode and the cladding modes. Based on the way the interferometer is configured, CCMI sensors can be categorized into two groups, namely the Mach-Zehnder interferometer (MZI) type and the Michelson interferometer (MI) type. The MZI sensor works in transmission mode, i.e., the transmitted interference signal is detected. The MI sensor works in reflection mode, where the light passes the interferometer twice and the reflected interference signal is detected. We conducted a temperature test and a refractive index test to demonstrate their sensing capability.

Paper Details

Date Published: 29 April 2009
PDF: 5 pages
Proc. SPIE 7322, Photonic Microdevices/Microstructures for Sensing, 732203 (29 April 2009); doi: 10.1117/12.818624
Show Author Affiliations
Tao Wei, Missouri Univ. of Science and Technology (United States)
Xinwei Lan, Missouri Univ. of Science and Technology (United States)
Yinan Zhang, Missouri Univ. of Science and Technology (United States)
Hai Xiao, Missouri Univ. of Science and Technology (United States)


Published in SPIE Proceedings Vol. 7322:
Photonic Microdevices/Microstructures for Sensing
Hai Xiao; Xudong Fan; Anbo Wang, Editor(s)

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