Laser apparatus and laser processing method
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United States of America Patent
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Mar 31, 2015
Grant Date -
Dec 6, 2012
app pub date -
May 22, 2012
filing date -
Jun 3, 2011
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Abstract
The present invention relates to a laser apparatus having a structure for removing a skirt portion contained in pulsed light, and a laser processing method using the laser apparatus. The laser apparatus comprises a MOPA fiber laser light source which outputs pulsed light having a skirt portion with a light intensity lower than a predetermined value, and a saturable absorber which removes a skirt portion from the pulsed light outputted from the MOPA fiber laser light source.
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