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Wavelength-multiplexed fiber-optic position encoder for aircraft control systemsNASA-Lewis has developed wavelength-multiplexed digital position fiber-optics transducers for use in aircraft control systems. A prototype LED-powered rotary encoder for a commercial aircraft turbofan engine is under construction which will have 8-bit resolution and an operational temperature in the 90 C range. A compact electrooptics module is also under development which will be able to withstand gas turbine environments. A second-generation device will incorporate integrated photonics technologies to increase optical power margin.
Document ID
19920059978
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Beheim, Glenn (NASA Lewis Research Center Cleveland, OH, United States)
Krasowski, Michael J. (NASA Lewis Research Center Cleveland, OH, United States)
Sotomayor, Jorge L. (NASA Lewis Research Center Cleveland, OH, United States)
Fritsch, Klaus (NASA Lewis Research Center Cleveland, OH, United States)
Flatico, Joseph M. (NASA Lewis Research Center Cleveland, OH, United States)
Bathurst, Richard L. (NASA Lewis Research Center Cleveland, OH, United States)
Eustace, John G. (John Carroll University Cleveland, OH, United States)
Anthan, Donald J. (Cleveland State University OH, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Subject Category
Aircraft Instrumentation
Accession Number
92A42602
Distribution Limits
Public
Copyright
Other

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