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Title: Fault location in optical networks

Patent ·
OSTI ID:941666
 [1];  [2];  [3];  [3];  [4];  [5]
  1. Apple Valley, MN
  2. Mendota Heights, MN
  3. Albuquerque, NM
  4. Tijeras, NM
  5. Schenectady, NY
+ Show Author Affiliations

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.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Lockheed Martin Corporation (Bethesda, MD); Sandia Corporation (Albuquerque, NM)
Patent Number(s):
7,393,145
Application Number:
11/285,244
OSTI ID:
941666
Country of Publication:
United States
Language:
English

References (6)

Dual-purpose VCSELs for short-haul bidirectional communication links journal December 1999
A single-fiber bidirectional optical link using colocated emitters and detectors journal October 1996
In-situ OTDR measurements for single-mode optical networks with a standard VCSEL conference January 2004
Fiber waveguides: a novel technique for investigating attenuation characteristics journal January 1976
Flip Chip Bonded Optoelectronic Devices on Ultra-Thin Silicon-on-Sapphire for Parallel Optical Links conference January 2001
Integrated semiconductor vertical-cavity surface-emitting lasers and PIN photodetectors for biomedical fluorescence sensing journal May 2004

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