1 November 1986 All-Fiber Magnetometer With Magnetic Feedback Compensation
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Optical Engineering, 25(11), 251261 (1986). doi:10.1117/12.7973991
An optical magnetometer capable of measuring static as well as dynamic magnetic fields is presented. An all-fiber Mach-Zehnder interferometer powered by a laser diode was used to measure the strain of a metallic glass strip. Using a magnetic feedback technique and an ac magnetic bias field, a minimum detectable field of 5 Gauss in a 1 Hz equivalent noise bandwidth was achieved. The magnetometer responds linearly from 0 Hz to a 3 dB bandwidth of 253 Hz and has a dynamic range of more than 100 dB.
Claus J. Nielsen, "All-Fiber Magnetometer With Magnetic Feedback Compensation," Optical Engineering 25(11), 251261 (1 November 1986). https://doi.org/10.1117/12.7973991


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