Methods and systems for laser treatment using non-uniform output beam
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United States of America Patent
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Dec 4, 2012
Grant Date -
Jun 23, 2011
app pub date -
Nov 16, 2010
filing date -
Apr 22, 2005
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Abstract
Methods and apparatus for treatment, such as skin rejuvenation treatment, using non-uniform laser radiation. An output beam from a laser source is coupled into an optical system that modifies the beam to provide a large-diameter beam having a non-uniform energy profile, comprised of a plurality of high-intensity zones surrounded by lower-intensity zones within the treatment beam. A large area of tissue, preferably 7-10 mm in diameter, can be treated simultaneously, while minimizing the risk of burning or other damage to the skin.
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