NASA NTRS · 19920059978
Wavelength-multiplexed fiber-optic position encoder for aircraft control systems
Abstract
NASA-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.
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Beheim, Glenn, Krasowski, Michael J., Sotomayor, Jorge L., Fritsch, Klaus, Flatico, Joseph M., Bathurst, Richard L., Eustace, John G., Anthan, Donald J.. 1991-01-01. Wavelength-multiplexed fiber-optic position encoder for aircraft control systems. https://ntrs.nasa.gov/citations/19920059978
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