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Proceedings Paper

Optical frequency domain reflectometry: principles and applications in fiber optic sensing
Author(s): Stephen T. Kreger; Nur Aida Abdul Rahim; Naman Garg; Sandra M. Klute; Daniel R. Metrey; Noah Beaty; James W. Jeans; Robert Gamber
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Paper Abstract

Optical Frequency Domain Reflectometry (OFDR) is the basis of an emerging high-definition distributed fiber optic sensing (HD-FOS) technique that provides an unprecedented combination of resolution and sensitivity. OFDR employs swept laser interferometry to produce strain or temperature vs. sensor length with fiber Bragg gratings (FBGs) or Rayleigh scatter as the source signal. We look at the influence of HD-FOS on design and test of new, lighter weight, stronger and more fuel efficient vehicles. Examples include defect detection, model verification and structural health monitoring of composites, and temperature distribution monitoring of battery packs and inverters in hybrid and electric powertrains.

Paper Details

Date Published: 12 May 2016
PDF: 10 pages
Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520T (12 May 2016); doi: 10.1117/12.2229057
Show Author Affiliations
Stephen T. Kreger, Luna Innovations Inc. (United States)
Nur Aida Abdul Rahim, Luna Innovations Inc. (United States)
Naman Garg, Luna Innovations Inc. (United States)
Sandra M. Klute, Luna Innovations Inc. (United States)
Daniel R. Metrey, Luna Innovations Inc. (United States)
Noah Beaty, Luna Innovations Inc. (United States)
James W. Jeans, Structural Design & Analysis Inc. (United States)
Robert Gamber, Luna Innovations Inc. (United States)


Published in SPIE Proceedings Vol. 9852:
Fiber Optic Sensors and Applications XIII
Eric Udd; Gary Pickrell; Henry H. Du, Editor(s)

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