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Intensity-based fibre-optic sensing system using contrast modulation of subcarrier interference patternA novel technique to compensate for unwanted intensity losses in a fiber-optic sensing system is described. The technique involves a continuous sinusoidal modulation of the light source intensity at radio frequencies and an intensity sensor placed in an unbalanced interferometer. The system shows high sensitivity and stability.
Document ID
19890051931
Document Type
Reprint (Version printed in journal)
Authors
Adamovsky, G. (NASA Lewis Research Center Cleveland, OH, United States)
Sherer, T. N. (NASA Lewis Research Center Cleveland, OH, United States)
Maitland, D. J. (Cleveland State University OH, United States)
Date Acquired
August 14, 2013
Publication Date
March 2, 1989
Publication Information
Publication: Electronics Letters
Volume: 25
ISSN: 0013-5194
Subject Category
Instrumentation And Photography
Accession Number
89A39302
Funding Number(s)
CONTRACT_GRANT: NCC3-58
Distribution Limits
Public
Copyright
Other

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