Abstract

We have generated 201 W of green (514.5 nm) average power from a frequency-doubled picosecond cryogenic Yb:YAG laser system driven by a 50 MHz, 12.4 ps mode-locked Yb fiber laser producing 430 W of average power at 1029 nm, using direct pulse amplification. The fundamental beam produced was near-diffraction-limited (M2<1.3). Second-harmonic-generation is achieved using a 20 mm long noncritically phase-matched Lithium triborate (LiB3O5) crystal; conversion efficiencies as high as 58% have been observed. At 100 W of 514.5 nm output power, the average M2 value was 1.35. To the best of our knowledge, this is the highest average power picosecond green pulsed laser.

© 2012 Optical Society of America

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Errata

Katie Kowalewski, Jason Zembek, Victoria Envid, and David C. Brown, "201 W picosecond green laser using a mode-locked fiber laser driven cryogenic Yb:YAG amplifier system: erratum," Opt. Lett. 38, 808-808 (2013)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-38-5-808

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