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LOW LOSS LASER TRANSMISSION THROUGH TELESCOPES WITH MIRROR OBSCURATIONS

United States Patent Application

20110293215
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
The invention provides micro-optical and fiber based solutions to the problem of reflective telescopes with secondary or tertiary obscurations, and further, it ameliorates secondary or tertiary obscurations in compact reflective fiber-coupled telescopes configured as optical transmitters. One solution uses a custom hollow optical fiber and lens system to generate an annular beam that would not be obscured by the telescope secondary obscuration. Another solution uses a fiber coupled micro-axicon lens assembly to achieve the same result.
Ruggiero, Anthony (Livermore, CA), Young, Richard (Stockton, CA), Cooke, Jeffrey (Knightson, CA), Kallman, Jeffrey (Pleasanton, CA)
13/ 040,515
March 4, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] 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.