Laser light source device and inspection device
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United States of America Patent
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Jun 5, 2018
Issued Date -
Aug 27, 2015
app pub date -
Feb 19, 2015
filing date -
Feb 24, 2014
priority date (Note) -
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Abstract
A laser light source device having a simple configuration and an inspection device are provided. A laser light source device 200 according to an exemplary embodiment in accordance with the present invention has a repetition frequency of 1 MHz or higher, and includes fundamental wave generation means 201 for oscillating laser light including a fundamental wave with its center wavelength being included in one of first to fourth wavelength bands, and means 205 for generating a sixth harmonic of pulsed laser light extracted from the fundamental wave generation means 201. The first wavelength band is 1064.326 nm to 1064.511 nm. The second wavelength band is 1064.757 nm to 1064.852 nm. The third wavelength band is 1063.805 nm to 1063.878 nm. Further, the fourth wavelength band is 1063.962 nm to 1064.031 nm.
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