Laser beam despeckling devices
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United States of America Patent
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May 8, 2012
Grant Date -
Jun 26, 2008
app pub date -
Oct 30, 2007
filing date -
Nov 24, 2000
priority date (Note) -
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Abstract
A multi-stage laser beam despeckling device including a first laser beam despeckling module for optically multiplexing an input laser beam into a temporal/spatial coherence-reduced output laser beam; and a second laser beam despeckling module, optically coupled to the first laser beam despeckling module, for receiving the temporal/spatial coherence-reduced as an input laser beam to the second despeckling module and producing a further temporal/spatial coherence-reduced output laser beam.
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