16 March 2016 100W class green 10ps 280µJ laser with M2<1.4 using Z-slab amplifier
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Abstract
A high-power green picosecond laser based on the ‘Z-slab’ Nd:YAG amplifier is presented. The edge-pumped zigzag amplifier was designed to achieve high energy scaling with good beam quality. In a master oscillator power amplifier system 120 W average power was produced at 1064 nm, which was frequency doubled to 84 W at 532 nm. The maximum pulse energy was 400 μJ at 1064 nm and 280 μJ at 532 nm. The repetition rate was variable from 250 to 1000 kHz with M2 < 1.4. In burst mode with 1-10 pulses, over one millijoule total burst energy was demonstrated at 1064 nm.
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Simon P. Chard, Cristtel Y. Ramirez-Corral, Michael Bass, Ying Chen, Young Key Kwon, "100W class green 10ps 280µJ laser with M2<1.4 using Z-slab amplifier", Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 97261S (16 March 2016); doi: 10.1117/12.2210986; https://doi.org/10.1117/12.2210986
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