Patent · US Active

Distributed optical fibre sensing

US8760639B2 · kind B2 · utility

3Cited by
8References
25Claims
0Family size

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Key dates

Filing dateJul 11, 2013
Grant dateJun 24, 2014
Priority date
Expiry dateJul 11, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V1/40
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

There is disclosed a distributed optical fiber sensing system in which the sensor fiber comprises at least first and second waveguides used for separate sensing operations. The sensor fiber may be, for example, a double clad fiber having a monomode core and a multimode inner cladding.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.