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Proceedings Paper

Wavelength dependence of the sensitivity of a bulk-glass optical current transformer
Author(s): Zheng Ping Wang; Qing Bo Li; Yi Qi; Zong Jun Huang; Jin Hui Shi
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Paper Abstract

The wavelength dependence of the sensitivity of a bulk-glass optical current transformer is theoretically analyzed taking the Jones’ Matrix as a mathematical tool, simulated with a computer and verified with an experiment. The results show that the wavelength dependence will cause obvious sensitivity fluctuation of the system because of the existing of the dispersions of the reflection-induced retardance, Verdet constant and the linear birefringence inside the bulk-glass current transducing head. Therefore, it is necessary to stabilize the driving current and the ambient temperature of the optical source used by some technical means, because these two factors can result in wavelength variation. These results might be useful for the researchers and designers working in the optical current transducing techniques area.

Paper Details

Date Published: 14 February 2005
PDF: 10 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.573687
Show Author Affiliations
Zheng Ping Wang, Harbin Engineering Univ. (China)
Qing Bo Li, Harbin Engineering Univ. (China)
Yi Qi, Harbin Engineering Univ. (China)
Zong Jun Huang, Harbin Engineering Univ. (China)
Jin Hui Shi, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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