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Fiber-optic sensors for aerospace electrical measurements - An updateThe authors report the progress made on the development of aerospace current and voltage sensors which use fiber-optic and optical sensing heads. These sensors are presently designed to cover ac frequencies from 60 Hz to 20 kHz. The current sensor, based on the Faraday effect in optical fiber, is in advanced development after some initial testing. The emphasis is on packaging methods and ways to maintain consistent sensitivity with changes in temperature. The voltage sensor, utilizing the Pockels effect in a crystal, has excelled in temperature tests. The authors report on the development of these sensors. The authors also relate the technology used in the sensors, the results of evaluation, improvements being made, and the future direction of the work.
Document ID
19920068006
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Patterson, Richard L.
(NASA Lewis Research Center Cleveland, OH, United States)
Rose, A. H.
(NASA Lewis Research Center Cleveland, OH, United States)
Tang, D.
(NASA Lewis Research Center Cleveland, OH, United States)
Day, G. W.
(NIST Boulder, CO, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Subject Category
Instrumentation And Photography
Meeting Information
Meeting: IECEC ''91: Intersociety Energy Conversion Engineering Conference
Location: Boston, MA
Country: United States
Start Date: August 4, 1991
End Date: August 9, 1991
Accession Number
92A50630
Distribution Limits
Public
Copyright
Other

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