Phase shift nulling DC-field fibre-optic magnetometer
- 5 July 1984
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 20 (14) , 573-574
- https://doi.org/10.1049/el:19840396
Abstract
A closed-loop DC-field fibre-optic magnetometer is described which utilises the dependence of the AC magneto-strictive responsitivity of a metallic glass sensing element on the local DC field in order to detect low-frequency or DC changes in the total local field. A detection sensitivity of -2 μGs has been demonstrated at frequencies below 2 Hz.Keywords
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