Device for generating a laser beam having a homogenized cross section and use of this beam
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Feb 13, 1997
filing date -
Aug 18, 1994
priority date (Note) -
Expired
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Abstract
A device designed for generating a laser beam having a homogenized cross section has the following features: a) a pulsed solid-state laser with an emission in a wavelength range of between 2 and 3 .mu.m, b) a pulse energy of between 100 .mu.J and 1 J, c) a transmission fiber made of a material transparent to the wavelength and having a length of at least 0.2 m and a diameter of between 50 and 1000 .mu.m, d) an end piece made of quartz or sapphire and having a length of between 4 and 50 mm, the end piece following the fiber and having plane end surfaces arrange perpendicular to the longitudinal direction.
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