Fiber optic stress-corrosion sensor and system

Details Fiber optic stress-corrosion sensor and system Fiber optic stress-corrosion sensor and system

1994-02-09

1994-11-22

Lee, John D.

Optical waveguides

Optical waveguide sensor

25022719, 25023119, 356352, G01B 902

Patent

active

053675835

ABSTRACT:
This invention pertains to an integral Fabry-Perot stress corrosion, strain and material corrosion sensor and associated system that allows for in-situ monitoring of stress-corrosion, strain and corrosion at a given location of a specimen in real-time. The sensor uses an intrinsic Fabry-Perot cavity with one mirror integrally mounted on the specimen that provides a means for: i) transducing information of stress-corrosion of the specimen; ii) measuring strain of the specimen; and iii) measuring the corrosive environment.

REFERENCES:
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patent: 4897542 (1990-01-01), Dakin et al.
patent: 5152173 (1992-10-01), Willson
patent: 5195374 (1993-03-01), Parsons et al.
patent: 5202939 (1993-04-01), Belleville et al.
patent: 5237630 (1993-08-01), Hogg et al.
patent: 5301001 (1994-04-01), Murphy et al.
Murphy et al., "Fabry-Perot fiber-optic sensors in full-scale fatigue testing of an F-15 aircraft", Applied Optics vol. 31, No. 4 Feb. 1992, pp. 431-433.

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