Journal
IEEE SENSORS JOURNAL
Volume 8, Issue 7-8, Pages 1375-1380Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2008.927247
Keywords
distributed sensing; nuclear; nuclear reactor; optical fiber; optical frequency domain reflectometry (OFDR); radiation; Rayleigh scatter; temperature
Funding
- National Nuclear Security Administration [DE-FG02-04ER83991]
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We present the use of swept wavelength interferometry for distributed fiber-optic temperature measurements in a nuclear reactor. The sensors consisted of 2-m segments of commercially available, single mode optical fibers. The interrogation technique is based on measuring the spectral shift of the intrinsic Rayleigh backscatter signal along the optical fiber and converting the spectral shift to temperature.
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