Patent ID: 11920963
Assignee: ARIEL SCIENTIFIC INNOVATIONS LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. A system for optical sensing, comprising:
a light source system configured for generating an excitation optical signal selected to induce Rayleigh backscattering, a first pump light beam and a second pump light beam;
an arrangement of optical couplers arranged for coupling said excitation optical signal and said first pump light beam into a first optical fiber, to provide an amplified backscattered signal, and for coupling said amplified backscattered signal and said second pump light beam into a second optical fiber, spatially separated from said first optical fiber, to thereby generate an optically re-amplified sensing signal; and
a signal analyzer, for analyzing said sensing signal so as to identify a change in at least one property along said first fiber.