Efficient distributed sensor fiber

Details Efficient distributed sensor fiber Efficient distributed sensor fiber

2006-09-26

2006-09-26

Palmer, Phan (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S126000, C385S141000, C250S227140

Reexamination Certificate

active

07113659

ABSTRACT:
A method and apparatus for improving the sensing of a physical parameter using a distributed optical waveguide and scattering. The optical waveguides have improved scattering efficiency and/or improved light capturing capability provided by multi-cladding layers and a tightly confining core waveguide. The core can be highly doped with a material such as germanium to improve scattering. The cladding layers provide a multi-mode waveguide for capturing scattered light. Such optical waveguides are useful in systems that rely on Rayleigh, Raman and Brillouin scattering.

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U.K. Search Report, Application No. GB0511253.7, dated Jul. 29, 2005.

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