Fiberoptic sensor using tapered and bundled fibers

Details Fiberoptic sensor using tapered and bundled fibers Fiberoptic sensor using tapered and bundled fibers

1994-06-08

1995-08-08

Raevis, Robert

Measuring and testing

Fluid pressure gauge

Photoelectric

G01L 900

Patent

active

054388732

ABSTRACT:
An improved fiberoptic pressure sensing system is disclosed by tapering the tip end of an optical fiber, or alternatively, by tapering or bundling a fiber or group of fibers within a connector. By selectively joining together fibers with a taper while tailoring numerical apertures of the connected fibers, a fiberoptic pressure sensing system is provided with an enhanced ability to increase sensitivity and signal-to-noise performance.

REFERENCES:
patent: 4142774 (1979-03-01), Wright
patent: 4786130 (1988-11-01), Georgiou et al.
patent: 5301001 (1994-04-01), Murphy et al.
patent: 5315364 (1994-05-01), Arion et al.
"Tapered Fiber-Based Diaphragm-Type Pressure Sensor", Gange He, Marek T. Wlodarczyk, and Emery L. Moore, presented at SPIE '93, Boston, Mass., Sep. 1993, and to be published in Proc. SPIE.
"Dual-Wavelength Fiber Optic Temperature Sensor", Gange He and Marek T. Wlodarczyk, presented at SPIE'93, Boston, Sep. 1993 and to be published in Proc. SPIE.

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