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Proceedings Paper

Sensors with centroid-based common sensing scheme and their multiplexing
Author(s): Ertugrul Berkcan; Jerome J. Tiemann; Glen W. Brooksby
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Paper Abstract

The ability to multiplex sensors with different measurands but with a common sensing scheme is of importance in aircraft and aircraft engine applications; this unification of the sensors into a common interface has major implications for weight, cost, and reliability. A new class of sensors based on a common sensing scheme and their E/O Interface has been developed. The approach detects the location of the centroid of a beam of light; the set of fiber optic sensors with this sensing scheme include linear and rotary position, temperature, pressure, as well as duct Mach number. The sensing scheme provides immunity to intensity variations of the source or due to environmental effects on the fiber. A detector spatially multiplexed common electro-optic interface for the sensors has been demonstrated with a position and a temperature sensor.

Paper Details

Date Published: 5 March 1993
PDF: 9 pages
Proc. SPIE 1795, Fiber Optic and Laser Sensors X, (5 March 1993); doi: 10.1117/12.141266
Show Author Affiliations
Ertugrul Berkcan, GE Corporate Research and Development Ctr. (United States)
Jerome J. Tiemann, GE Corporate Research and Development Ctr. (United States)
Glen W. Brooksby, GE Corporate Research and Development Ctr. (United States)


Published in SPIE Proceedings Vol. 1795:
Fiber Optic and Laser Sensors X
Eric Udd; Ramon P. DePaula, Editor(s)

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