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  • Title: Power scaling of a picosecond vortex laser based on a stressed Yb-doped fiber amplifier.
    Author: Koyama M, Hirose T, Okida M, Miyamoto K, Omatsu T.
    Journal: Opt Express; 2011 Jan 17; 19(2):994-9. PubMed ID: 21263637.
    Abstract:
    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.
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