Optical ablation using material composition analysis
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United States of America Patent
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Issued Date -
Aug 4, 2005
app pub date -
Aug 11, 2004
filing date -
Aug 11, 2003
priority date (Note) -
Abandoned
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Abstract
The present invention relates to methods and systems for controlling ablation based on analysis of material removed from a surface, that includes the steps of generating an initial wavelength-swept-with-time optical pulse, amplifying the initial pulse, compressing the amplified pulse to a duration of less than 10 picoseconds, applying the compressed optical pulse to the surface to cause material to be emitted from the surface, analyzing the material being emitted to at least partially determine composition of the removed material and using the analysis of material composition to adjust pulse energy and/or stop ablation.
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