Omnisens Sa

Jacques Morel

Etienne Rochat

A device for calibrating distributing sensing technologies is presented. The device includes an optical fiber, a first input arranged for receiving at least one optical pulse and injecting this at least one optical pulse towards the optical fiber, an output arranged for receiving a backscattered signal generated in the optical fiber. The optical fiber includes at least one event, each event being a part of the optical fiber and having at least one modified physical state or property that is different from the physical state or property of the rest of the optical fiber. The device includes structure creating different optical paths for the at least one optical pulse, the different optical paths having different lengths, each optical path passing through the at least one event. The invention also relates to a process implemented in the device.

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Courtepin, Switzerland

Jacques Morel