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Fault location in optical networks

United States Patent

July 1, 2008
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
One apparatus embodiment includes an optical emitter and a photodetector. At least a portion of the optical emitter extends a radial distance from a center point. The photodetector provided around at least a portion of the optical emitter and positioned outside the radial distance of the portion of the optical emitter.
Stevens; Rick C. (Apple Valley, MN), Kryzak; Charles J. (Mendota Heights, MN), Keeler; Gordon A. (Albuquerque, NM), Serkland; Darwin K. (Albuquerque, NM), Geib; Kent M. (Tijeras, NM), Kornrumpf; William P. (Schenectady, NY)
Lockheed Martin Corporation (Bethesda, MD), Sandia Corporation (Albuquerque, NM)
11/ 285,244
November 22, 2005
GOVERNMENT RIGHTS This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.