Picosecond laser apparatus and methods for its operation and use
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United States of America Patent
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Apr 19, 2011
Grant Date -
Nov 25, 2010
app pub date -
Jan 4, 2010
filing date -
Aug 2, 2006
priority date (Note) -
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Abstract
Apparatuses and methods are disclosed for applying laser energy having desired pulse characteristics, including a sufficiently short duration and/or a sufficiently high energy for the photomechanical treatment of skin pigmentations and pigmented lesions, both naturally-occurring (e.g., birthmarks), as well as artificial (e.g., tattoos). The laser energy may be generated with an apparatus having a resonator with the capability of switching between a modelocked pulse operating mode and an amplification operating mode. The operating modes are carried out through the application of a time-dependent bias voltage, having waveforms as described herein, to an electro-optical device positioned along the optical axis of the resonator.
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