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Proceedings Paper

Twist fiber and its application in electric current sensor with compensation of arbitrary bias phase variation
Author(s): Xiaopeng Dong; Beatrice C.B. Chu; Kin Seng Chiang
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Paper Abstract

Design, fabrication and application of twisted fiber for polarized light transmission and electric current sensor are presented in the paper. A characterization parameter of twist fiber is proposed for the design of twisted fiber for linearly or circularly polarized light transmission. The problem of employing twisted fiber in current sensor, e.g., the temperature or polarization perturbation induced sensor bias drifting, is overcome by a novel signal processing method with a modified optical arrangement for ac current detection. Experimental results show the compensation method is effective to arbitrary bias phase drifting in electrical current sensor using twisted fiber.

Paper Details

Date Published: 28 April 1999
PDF: 8 pages
Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); doi: 10.1117/12.347973
Show Author Affiliations
Xiaopeng Dong, Univ. of Science and Technology of China (China)
Beatrice C.B. Chu, City Univ. of Hong Kong (Hong Kong)
Kin Seng Chiang, City Univ. of Hong Kong (Hong Kong)


Published in SPIE Proceedings Vol. 3666:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98
Anurag Sharma; Banshi Dhar Gupta; Ajoy K. Ghatak, Editor(s)

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