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Europäisches Patentamt

A DISTRIBUTED BRILLOUIN SENSOR | VERTEILTER BRILLOUINSENSOR | CAPTEUR DE BRILLOUIN RÉPARTI

Patentnummer:EP3023749B1
IPC Hauptklasse:G01D0005353
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Anmeldung:03.11.15
Offenlegung:03.11.14
Patenterteilung:04.07.18

Abstract / Hauptanspruch
A distributed Brillouin sensor system comprising a pump laser, a Brillouin sensor fiber, and a detector system is described. The pump laser is arranged so as to send a pump signal into a first end of the Brillouin sensor fiber, and the detector system is arranged to detect Brillouin backscattering from the Brillouin sensor fiber. The Brillouin sensor fiber is characterized by having a negative dispersion, and further by an effective area of the sensor fiber being less than or equal to 50 µm 2.

EP3023749B1


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