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Proceedings Paper

Influences of extinction ratio and bias-angle error of polarizers on the performance of an optical current sensor
Author(s): Zheng Ping Wang; Qingbo Li; Ruiying Feng; Huili Wang; Zongjun Huang; Xin Yu; Jinhui Shi
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Paper Abstract

Extinction ratio is an important parameter of a polarizer, and the bias angle of the polarizer used in optical current sensing systems is also an important adjustable parameter. Both them can certainly affect the performance of the sensing systems. In this paper, the effects of the extinction ratio and bias angle error of polarizers upon the output characteristics of an optical current sensor are investigated theoretically and experimentally, some useful results are given for the optical current sensor designers.

Paper Details

Date Published: 9 September 2002
PDF: 8 pages
Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.482001
Show Author Affiliations
Zheng Ping Wang, Harbin Engineering Univ. (China)
Qingbo Li, Harbin Engineering Univ. (China)
Ruiying Feng, Harbin Engineering Univ. (China)
Huili Wang, Harbin Engineering Univ. (China)
Zongjun Huang, Harbin Engineering Univ. (China)
Xin Yu, Harbin Engineering Univ. (China)
Jinhui Shi, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 4920:
Advanced Sensor Systems and Applications
Yun-Jiang Rao; Julian D. C. Jones; Hiroshi Naruse; Robert I. Chen, Editor(s)

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