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Proceedings Paper

Linear birefringence and imperfect quarter wave plate effects on optic-fiber current sensor
Author(s): Ying Ding; Yi Dong; Jun Zhu; Bofang Zheng; Damin Zhang; Weisheng Hu
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Paper Abstract

The scale factor of optic-fiber current sensor is nonlinearized because of the linear birefringence and the imperfection of quarter wave plate (QWP). In this paper, we analyze the effects of birefringence and show that modified scale factor performs better by using Faraday rotate mirror (FRM) and harmonic division method. The scale factor error associated with integrating imperfect quarter wave plate is also analyzed. Moreover, a certain linear birefringence may be helpful to compensate for deviation of QWP's alignment.

Paper Details

Date Published: 29 November 2011
PDF: 6 pages
Proc. SPIE 8311, Optical Sensors and Biophotonics III, 83112C (29 November 2011); doi: 10.1117/12.904480
Show Author Affiliations
Ying Ding, Shanghai Jiao Tong Univ. (China)
Yi Dong, Shanghai Jiao Tong Univ. (China)
Jun Zhu, Jiangsu Junlong Power Technology Co., Ltd. (China)
Bofang Zheng, Shanghai Jiao Tong Univ. (China)
Damin Zhang, Shanghai Jiao Tong Univ. (China)
Weisheng Hu, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 8311:
Optical Sensors and Biophotonics III
Jürgen Popp, Editor(s)

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