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Electro-Optical Power Level Controller for Free-Space Optical Communication Links

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
Systems and methods are described for automatically controlling the received power in an optical fiber connected to a free-space optical communications terminal. The system effectively reduces the dynamic range of the received light, enhancing the performance of the communications channel in the face of wide power swings induced by atmospheric scintillation and beam pointing jitter.
Cornish, John P. (Manteca, CA), Ruggiero, Anthony J. (Livermore, CA), Johnson, Gary W. (Livermore, CA)
12/ 256,364
October 22, 2008
[0001] The United States Government has rights In this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC.