Closed Loop D.C. Field Fibre Optic Magnetometer

A. D. Kersey; M. Corke; D. A. Jackson

doi:10.1117/12.945058

12 November 1984 Closed Loop D.C. Field Fibre Optic Magnetometer

A. D. Kersey, M. Corke, D. A. Jackson

Proceedings Volume 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84; (1984) https://doi.org/10.1117/12.945058
Event: 2nd International Conference on Optical Fiber Sensors, 1984, Stuttgart, Germany

Abstract

A closed loop d.c. field fibre optic magnetometer is described which utilises the dependence of the a.c. magnetostrictive responsitivity of a metallic glass sensing element on the local d.c. field in order to detect low frequency or d.c. changes in the total local field. A detection sensitivity of ti 1 μGauss has been demonstrated at frequencies below 2 Hz.

Citation Download Citation

A. D. Kersey, M. Corke, and D. A. Jackson "Closed Loop D.C. Field Fibre Optic Magnetometer", Proc. SPIE 0514, 2nd Intl Conf on Optical Fiber Sensors: OFS'84, (12 November 1984); https://doi.org/10.1117/12.945058

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