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Proceedings Paper

Micro-structured optic fiber system for pressure sensing
Author(s): Xiaosu Yi; Wen Xiao; Rie Li
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Paper Abstract

The micro-structured optic fiber system has been designed, built and tested. The whole system is effectively enough to monitor micro-vibration movement caused by acoustic wave. The developed system has a strong ability to anti-EM interference. The thin film is specially designed and fabricated using RIE method. The diameter of the film is Φ200μm and the thickness is thin enough to sense micro-vibration. Single fiber is used to generating, transmitting and receiving optical signal. The optical fiber coupler is used to direct the light from laser diode onto the film and to guide reflected signal to the detector. The distance between the film and fiber end is fixed. The light modulation function, the system noises and the way against noises are discussed. Factors influencing system sensitivity are also investigated through our test results.

Paper Details

Date Published: 19 May 2006
PDF: 5 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61500W (19 May 2006); doi: 10.1117/12.676742
Show Author Affiliations
Xiaosu Yi, Beijing Univ. of Aeronautics and Astronautics (China)
Wen Xiao, Beijing Univ. of Aeronautics and Astronautics (China)
Rie Li, Beijing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Xun Hou; Jiahu Yuan; James C. Wyant; Hexin Wang; Sen Han, Editor(s)

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