Abstract
We developed a high power picosecond laser system at 80 MHz for third harmonic generation. We obtained 291 W at 1030 nm under 580 W of pump power at 976 nm from an all fiber master oscillator power amplifier based on rod-type fibers. By frequency tripling, we obtained 63 W at 343 nm with excellent beam quality (M2<1.2).
© 2012 Optical Society of America
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