Enhancing fiber-optic sensing technique using a dual-core fiber

Details Enhancing fiber-optic sensing technique using a dual-core fiber Enhancing fiber-optic sensing technique using a dual-core fiber

2006-05-16

2006-05-16

Kim, Ellen E. (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S012000, C385S127000

Reexamination Certificate

active

07046888

ABSTRACT:
An optical fiber for use in fiber optic sensing of a test sample includes a first core and a second core. The second core is generally coaxially disposed within the first core and is sized smaller than the first core. The second core is capable of delivering pulsed laser energy from the laser for nonlinear optical excitation of the test sample. Nonlinear optical feedback signals can then be collected in both the first core and second core for improved detection efficiency relative to conventional single-mode and multi-mode fibers.

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