Fiber optic energy sensor and demodulation system and method of

Details Fiber optic energy sensor and demodulation system and method of Fiber optic energy sensor and demodulation system and method of

1982-07-28

1984-08-28

Lee, John D.

350 9615, 350 9629, G02B 5172

Patent

active

044680910

ABSTRACT:
A fiber optic energy sensor and optical demodulation system is disclosed wherein the signal energy to be sensed or detected causes an etched single mode fiber to be stretched or compressed which causes the optical path length for electro-magnetic radiation traveling in the core of the optic fiber to change. The change in optic path length modulates the electro-magnetic radiation traveling in the fiber. There is also disclosed novel methods of manufacturing the novel type of fiber optic energy sensor and optical demodulation system.

REFERENCES:
patent: 4235113 (1980-11-01), Carome
patent: 4264126 (1981-04-01), Sheem
patent: 4268116 (1981-05-01), Schmadel et al.
patent: 4315666 (1982-02-01), Hicks, Jr.
patent: 4354735 (1982-10-01), Stowe et al.
Sheem et al., "Acoustic Sensitivity of Single-Mode Optical Power Dividers", Optics Lett., vol. 4, No. 10, Oct. 1979, pp. 322-324.
Hocker, "Fiber Optic Acoustic Sensors with Composite Structure . . . ", Appl. Optics, vol. 18, No. 21, Nov. 1979, pp. 3679-3683.

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