Journal
OPTICS EXPRESS
Volume 19, Issue 2, Pages 994-999Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.000994
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Funding
- Ministry of Education, Science, and Culture of Japan [16032202, 18360031]
- Japanese Society for the Promotion of Science
- Grants-in-Aid for Scientific Research [18360031, 16032202] Funding Source: KAKEN
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Power scaling of a picosecond vortex laser based on a stressed Yb-doped fiber amplifier is analyzed. An output power of 25 W was obtained for 53 W of pumping, with a peak power of 37 kW. Frequency doubling of the vortex output was demonstrated using a nonlinear PPSLT crystal. A second-harmonic output power of up to 1.5 W was measured at a fundamental power of 11.2 W. (C) 2011 Optical Society of America
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