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Proceedings Paper

Magnet-sensitive optical fiber and its application in current sensor system
Author(s): Tong Yu
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Paper Abstract

Terbium—doped optical fiber has high Verdet constant and is called magnet—sensitive fiber. It is of importance for a variety of applications including magnetic field sensor, current sensor, and fiber—type isolator. In this paper, we describe magnet—sensitive optical fiber fabrication, magnetooptic coefficient measurement, and its application in current sensor system. Experimental results show that the Verdet constant of magnet—sensitive fiber containing high rare—earth content (~4000 parts in 106) is 2.7 times as high as that of ordinary silica based fiber. When tested in current sensor system, it gives similar performance observed in ultralow birefringent fiber. These results are new and have not been published before.

Paper Details

Date Published: 1 December 1991
Proc. SPIE 1584, Fiber Optic and Laser Sensors IX, (1 December 1991); doi: 10.1117/12.2321907
Show Author Affiliations
Tong Yu, Beijing Glass Research Institute (China)

Published in SPIE Proceedings Vol. 1584:
Fiber Optic and Laser Sensors IX
Ramon P. DePaula; Eric Udd, Editor(s)

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