Fiber optic vibration sensor

Details Fiber optic vibration sensor Fiber optic vibration sensor

2006-09-19

2006-09-19

Healy, Brian M. (Department: 2883)

Optical waveguides

Optical waveguide sensor

C385S037000, C385S031000, C250S227140, C250S227110

Reexamination Certificate

active

07110626

ABSTRACT:
A fiber optic vibration sensor is disclosed. This invention has an optical fiber of a tubular configuration that includes a cladding layer and a core, having a first end, a second end and a sensing region; a source of laser for emitting laser onto the first end of the optical fiber; an optical diode connected to the second end of the optical fiber; and an optical wave analyzer connected to the optical diode; wherein the sensing region includes at least a polished region formed by polishing a side of the optical fiber and a grating disposed in the polishing region.

REFERENCES:
patent: 5421195 (1995-06-01), Wlodarczyk
patent: 6516117 (2003-02-01), Fujimaki et al.
patent: 6807325 (2004-10-01), Kraemmer et al.
patent: 2005/0109922 (2005-05-01), Tsai
patent: 2005/0163424 (2005-07-01), Chen
patent: 2000292433 (2000-10-01), None

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