Optical sensing systems

Details Optical sensing systems Optical sensing systems

G - Physics

01

N

G01N 21/84 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2056643

P/8510/CA - 18 - ABSTRACT An optical sensing system (e.g. hydrophone) comprises a plurality of laser light sources for producing light signals of different frequencies which are combined by a Bragg cell and launched into a single optical fibre leading to an optical sensor array arrangement. This sensor array arrangement comprises a plurality of optical sensors separated by redirecting means for redirecting light signals along an optical fibre in time displaced relationship to an optical detector.

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