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Proceedings Paper

Eliminating polarization-induced fading in interferometric fiber optic arrays by modulation
Author(s): Xiaodong Zhou; Wen Zhou; Weizhong Tang; Xianfeng Ye
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Paper Abstract

This paper puts forward a new method to overcome the polarization-induced fading (PIF) in conventional low- birefringence optical fiber constructed interferometric sensors arrays. By inducing high frequency modulation to the state of polarization at the output end of the array, the maximum PIF variation of each sensor's signal is 4.7dB or 6.3dB according to the selection of modulation signal. Combined with an electronic automatic gain control circuit or dividing each sensor's signal by its visibility, each sensor's signal fading is recovered at the expense of a relevant signal/noise degradation of 4.7dB or 6.3dB.

Paper Details

Date Published: 13 August 1998
PDF: 6 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); doi: 10.1117/12.318155
Show Author Affiliations
Xiaodong Zhou, Zhejiang Univ. (Canada)
Wen Zhou, Zhejiang Univ. (China)
Weizhong Tang, Zhejiang Univ. (China)
Xianfeng Ye, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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