G - Physics – 01 – R
Patent
G - Physics
01
R
324/57
G01R 33/032 (2006.01) G02F 1/095 (2006.01)
Patent
CA 1199065
- 7 - ABSTRACT OF THE DISCLOSURE A magnetometer measuring head is divided into two separate sub-units : A first sub-unit comprising means for transmission and detection of polarised 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 polar- isation of the light caused by Faraday effect.
416771
Doriath Gerard
Gaudry Roger
Goudreau Gage Dubuc
Thomson-Csf
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