Fiber optic flow meter

Details Fiber optic flow meter Fiber optic flow meter

2006-02-28

2006-02-28

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

Reexamination Certificate

active

07004038

ABSTRACT:
A metering module, or a system employing such, for monitoring fluid flow with a laser light source, a light detector and a processor, wherein the fluid may be a gas or liquid. A valve section and a grating section including a fiber Bragg grating (FBG) are provided. The valve section applies strain on the FBG that is representative of the flow of the fluid. An optical fiber couples a probing laser signal to the FBG and the FBG reflects a portion back as a return laser signal that the optical fiber couples to the light detector for detection and processing.

REFERENCES:
patent: 4584883 (1986-04-01), Miyoshi et al.

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