Optical fiber long period sensor having a reactive coating

Details Optical fiber long period sensor having a reactive coating Optical fiber long period sensor having a reactive coating

1997-04-11

1999-01-26

Healy, Brian

Optical waveguides

Optical waveguide sensor

385 15, 385 37, 385123, 385126, 385127, 385141, 25022714, 25022718, 25022723, G02B 600, G01J 104

Patent

active

058646418

ABSTRACT:
An optical sensor is provided. The optical sensor comprises an optical waveguide, at least one long period grating disposed within the optical waveguide and a reactive coating positioned in an operable relationship to the long period grating wherein the reactive coating causes the long period grating to produce a wavelength transmission spectrum functionally dependent on a parameter sensed. Such sensors may be used to measure physical, electrical and chemical parameters within a single system.

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