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Proceedings Paper

Fiber inline Michelson interferometer fabricated by one-step femtosecond laser micromachining for sensing applications
Author(s): Lei Yuan; Hongbin Wu; Cong Wang; Yingyu Yu; Sumei Wang; Hai Xiao
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Paper Abstract

A fiber inline Michelson interferometer fiber optic sensor was presented for sensing applications, including high temperature performance and refractive index change. The sensor was fabricated using one-step femtosecond (fs) laser micromachining technique. A step structure at the tip of a single mode optical fiber was formed during the micromachining process. The device had a loss of 16 dB and an interference visibility exceeding 18 dB. The capability of this device for temperature sensing up to 1000 °C and refractive index sensing application in various concentrations of ethanol solution were all demonstrated.

Paper Details

Date Published: 20 December 2013
PDF: 8 pages
Proc. SPIE 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 90441M (20 December 2013); doi: 10.1117/12.2052729
Show Author Affiliations
Lei Yuan, Beijing Institute of Technology (China)
Hongbin Wu, Beijing Institute of Technology (China)
Cong Wang, Beijing Institute of Technology (China)
Yingyu Yu, Beijing Institute of Technology (China)
Sumei Wang, Beijing Institute of Technology (China)
Hai Xiao, Clemson Univ. (United States)


Published in SPIE Proceedings Vol. 9044:
2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications
Brian Culshaw; Xuping Zhang; Anbo Wang, Editor(s)

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