Fiber Optic Magnetometer Design

James E. Lenz; Gordon L . Mitchell; Charles D. Anderson

doi:10.1117/12.942671

17 September 1984 Fiber Optic Magnetometer Design

James E. Lenz, Gordon L . Mitchell, Charles D. Anderson

Proceedings Volume 0478, Fiber Optic and Laser Sensors II; (1984) https://doi.org/10.1117/12.942671
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

Magnetic sensors have been used in applications ranging from keyboard switches to submarine detection. Recently developed fiber optic magnetometers promise to provide high performance/moderate cost alternative to existing sensors. The special properties of fiber magnetometers such as directional response, high sensitivity, room temperature operation are discussed in the context of other magnetometers. Fiber magnetometer design considerations, fabrication procedures, and performance measurements using magnetostrictive alloy coatings are presented. Optimum performance is obtained with a 36% - 64% nickel-iron alloy electroplated over the polymer jacket on a single mode fiber. Sensor designs for fiber optic magnetometers are shown.

Citation Download Citation

James E. Lenz, Gordon L . Mitchell, and Charles D. Anderson "Fiber Optic Magnetometer Design", Proc. SPIE 0478, Fiber Optic and Laser Sensors II, (17 September 1984); https://doi.org/10.1117/12.942671

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