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Proceedings Paper

A digital passive phase demodulation scheme using 3×3 coupler for fiber-optic interferometric sensors
Author(s): M. Pang; M. Zhang; L. W. Wang; W. Jin; Y. B. Liao
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Paper Abstract

A real-time digital phase demodulation scheme is developed. This scheme, based on cos-1 and channel-choosing techniques, uses the two optical outputs from a 3×3 coupler to overcome the signal fading problem of fiber interferometer.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70042L (16 May 2008); doi: 10.1117/12.786000
Show Author Affiliations
M. Pang, The Hong Kong Polytechnic Univ. (Hong Kong China)
M. Zhang, Tsinghua Univ. (China)
L. W. Wang, Tsinghua Univ. (China)
W. Jin, The Hong Kong Polytechnic Univ. (Hong Kong China)
Y. B. Liao, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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