Magnetometer probe using a thin-film magnetic material as a magn

Details Magnetometer probe using a thin-film magnetic material as a magn Magnetometer probe using a thin-film magnetic material as a magn

1982-09-27

1985-05-07

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetometers

324 96, 350377, G01R 3302

Patent

active

045160732

ABSTRACT:
A magnetometer measuring head is divided into two separate sub-units, including a first sub-unit including means for transmission and detection of polarized light is coupled via a fibre to a second sub-unit comprising a thin layer of magnetic material within which is guided the light wave transmitted by the fibre. The coupling with the fibre is established via the edge, the opposed end of the layer being provided with a mirror so that the guided wave follows an outgoing and returning path before being retransmitted to the detection means which measure the rotation of the polarization of the light caused by Faraday effect.

REFERENCES:
patent: 4356448 (1982-10-01), Brogardh et al.
patent: 4370612 (1983-01-01), Puech et al.
patent: 4449096 (1984-05-01), Doriath et al.
Jaecklin, Andre A., "Measuring Current at Extra-high Voltage", Laser Focus, May 1970, pp. 35-38.

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