Lithium niobate coated optical fiber apparatus and method

Details Lithium niobate coated optical fiber apparatus and method Lithium niobate coated optical fiber apparatus and method

2008-01-29

2008-01-29

Song, Sarah (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S012000

Reexamination Certificate

active

07324732

ABSTRACT:
An optical fiber sensor having a central core, a cladding layer disposed about the central core, and a thin film of lithium niobate positioned between the core and the cladding layer. Each of the cladding layer and the central core are made from glass materials having different indices of refraction. The refractive index of the lithium niobate film changes when stress is applied to the optical fiber sensor. Accordingly, stress may be detected and measured by detecting and measuring the modulation of light passing through the optical fiber sensor while the stress is occurring.

REFERENCES:
patent: 4363533 (1982-12-01), Stowe et al.
patent: 6072930 (2000-06-01), Kornreich et al.
patent: 6498877 (2002-12-01), Chowdhury et al.
patent: 6563985 (2003-05-01), Yin et al.

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