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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Passively Q-switched Nd:YAG ring lasers with high average output power in single-frequency operation
I Freitag1, A Tünnermann, H Welling
1Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany.
Abstract:
Applying Cr(4+):YAG saturable absorbers, we demonstrate efficient passively Q -switched operation of diode-pumped Nd:YAG lasers with a maximum average output power of more than 800 mW. Pulse durations below 3 ns, energies of 70 microJ, and peak powers of 30 kW are observed with kilohertz repetition rates. Single-frequency operation is accomplished for all output powers by a nonplanar ring geometry.
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