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Proceedings Paper

Research on the weak signal detection technique based on optical fiber Mach-Zehnder interferometer
Author(s): Peilin Tao; Fengping Yan; Zhongwei Tan; Yan Liu; Guolu Yin; Shuisheng Jian
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Paper Abstract

An analysis, based on transfer matrix, is presented of weak signal effects on the mach-zehnder interferometer sensor for detection. The weak signal detector based on Mach-Zehnder optical fiber interferometer is established. Based on wavelet soft-threshold de-noising technology and high-pass filter, a modified demodulation technique is proposed. With the modified demodulation method, experiment results show the system's precision can be improved effectively.

Paper Details

Date Published: 21 July 2010
PDF: 4 pages
Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 774919 (21 July 2010); doi: 10.1117/12.870109
Show Author Affiliations
Peilin Tao, Beijing Jiaotong Univ. (China)
Fengping Yan, Beijing Jiaotong Univ. (China)
Zhongwei Tan, Beijing Jiaotong Univ. (China)
Yan Liu, Beijing Jiaotong Univ. (China)
Guolu Yin, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 7749:
2010 International Conference on Display and Photonics

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