3-dimensional micromachining with femtosecond laser pulses
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United States of America Patent
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Jul 28, 1998
Issued Date -
N/A
app pub date -
Jun 13, 1997
filing date -
Mar 31, 1995
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Abstract
A method of treating a material by generating an ultraviolet wavelength laser beam having femtosecond pulses; splitting the ultraviolet wavelength laser beam into a plurality of separate laser beams having femtosecond pulses; directing the separate laser beams onto a target point within a sample such that the femtosecond pulses of the separate beams overlap to create an intensity sufficient to treat the sample. Apparatus for treating a material that includes an ultraviolet laser for generating an ultraviolet wavelength laser beam having femtosecond pulse and directing that ultraviolet wavelength laser beam onto a beam splitter; a beam splitter for splitting the ultraviolet wave length laser beam into a plurality of separate laser beams having femtosecond pulses; directing the separate laser beams onto a target point within a sample such that the femtosecond pulses of the separate beams overlap to create an intensity sufficient to treat the sample.
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