System and method for laser beam expansion
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United States of America Patent
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Feb 28, 2006
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app pub date -
Oct 22, 2004
filing date -
Oct 18, 2001
priority date (Note) -
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Abstract
The present invention relates to a method and system for expanding a laser beam. An illumination system includes a horizontal reflective multiplexer and a vertical reflective multiplexer. The horizontal reflective multiplexer replicates the input beam along a first dimension to form a first multiplexed beam. The vertical reflective multiplexer replicates the first multiplexed beam along a second dimension to form a second multiplexed beam. In one example, the horizontal reflective multiplexer includes a first beam splitter, second beam splitter, and mirror. The vertical reflective multiplexer includes a beam splitter and mirror.
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