Distributed fiber optic sensor

Details Distributed fiber optic sensor Distributed fiber optic sensor

1994-01-13

1995-09-19

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356352, 25022727, G01B 902

Patent

active

054517729

ABSTRACT:
A distributed optical fiber sensor for sensing physical characteristics of an object, such as strain, includes several discontinuities, each pair of discontinuities being placed at one specific location on the object. A laser beam is past through the fiber and the discontinuities generate components from the beams having parameters indicative of the respective physical characteristics. The components combine in a composite beam which is detected outside the beam and separated into the respective components.

REFERENCES:
patent: 4360272 (1982-11-01), Schmadel et al.
patent: 5157457 (1992-10-01), Taylor
patent: 5202939 (1993-04-01), Belleville
patent: 5276501 (1994-01-01), McClintock et al.
patent: 5301001 (1994-04-01), Murphy et al.
Fiber & Sensor Tehcnologies, Inc. "Optical Fiber Strain Gauge" Performance of a fiber-optic temperature sensor from -200 to 1050 C.

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