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Stability of a fiber-optic magnetometer

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4 Author(s)
Koo, K.P. ; Sachs Freeman Associates, Landover, MD ; Bucholtz, F. ; Dandridge, A. ; Tveten, A.B.

The stability of a fiber-optic magnetometer employing metallic glass ribbons was examined over a period of more than 10 h. The magnetometer can be operated either in the open magnetic loop or the closed magnetic loop configuration. The short-term minimum detectable magnetic field for ≈ 10 cm of sensor fiber length was less than 2 gamma in the dc to 1-Hz bandwidth. Long-term stability of approximately 10 gamma was achieved in the closed magnetic loop configuration.

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Magnetics, IEEE Transactions on  (Volume:22 ,  Issue: 3 )