Optelecom, Inc.

Donald Schmadel

William H Culver

Gordon Gould

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.

Fiber optic energy sensor and optical demodulation system and methods of

Fiber optic energy sensor and demodulation system and method of making

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 electromagnetic radiation traveling in the core of the optic fiber to change. The change in optic path length modulates the electromagnetic 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.

Radiant energy is caused to modulate in phase and frequency in a single mode optical fiber by means of a relatively movable, spatially periodic perturbation.

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Gaithersburg, MD, United States of America

Donald Schmadel