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VERTEILTER GLASFASERSENSOR

Patentnummer:EP3483562B1
IPC Hauptklasse:G01D5/353
Anmelder:FOTECH GROUP LTD (1)
FOTECH SOLUTIONS LTD (1)
Erfinder:DR HANDEREK VINCENT (2)
HANDEREK VINCENT (2)
Anmeldung:09.11.11
Patenterteilung:11.05.22
Einspruch bis:11.02.23

Abstract / Hauptanspruch
There is described a distributed optical fibre sensor for detecting one or more physical parameters indicative of an environmental influence on a sensor optical fibre, as a function of position along the sensor fibre. The sensor uses probe light pulses of different wavelengths. At least some of the probe light pulses may also be of different pulse lengths. The relative phase bias between interferometric signals in backscattered probe light of different wavelength pulses may also be controlled.


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