Optical strain gage compatible with fiber optic systems

Details Optical strain gage compatible with fiber optic systems Optical strain gage compatible with fiber optic systems

2006-02-21

2006-02-21

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

07002673

ABSTRACT:
The structure of the device consists of a light transparent or light absorbing hollow tube having inside diameter slightly larger than the outside diameter of an optical fiber that is threaded through the tube. The space between the fiber and the tube is filled with a low vapor pressure fluid selected for refractive index that will promote light leaking out of the fiber through the tube.

REFERENCES:
patent: 2031420 (1991-02-01), None
patent: WO 01/44849 (2001-06-01), None

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