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Optical Engineering

A Fiber Optic Time Domain Reflectometer
Author(s): M. A. Nelson; T. J. Davies; P. B. Lyons; J. E. Golob; L. D. Looney
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Paper Abstract

An optical time domain reflectometer is described which combines in one instrument the basic capability to analyze several important fiber characteristics. The device uses the polarization properties of light to enable high sensitivity fault detection close to the fiber input end; its probe pulse temporal characteristics and high gain photodetector in combination provide excellent discontinuity location resolution in long lossy fibers, and give an indication of fiber dispersion at large bandwidths.

Paper Details

Date Published: 1 February 1979
PDF: 4 pages
Opt. Eng. 18(1) 180105 doi: 10.1117/12.7972311
Published in: Optical Engineering Volume 18, Issue 1
Show Author Affiliations
M. A. Nelson, EG&G, Inc. (United States)
T. J. Davies, EG&G, Inc. (United States)
P. B. Lyons, University of California (United States)
J. E. Golob, University of California (United States)
L. D. Looney, University of California (United States)

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