Efficient second harmonic conversion of a passively Q-switched microchip laser, obtaining 1.9 MW peak power, 740μJ, 400 ps pulses at 500 Hz, with > 60% SHG conversion efficiency, without using focusing optics, is reported.
© 2013 OSA
R. Bhandari and T. Taira, "High Repetition Rate MW Peak Power at 532 nm Using Microchip Laser," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper JW2A.26.
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