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Updated: Jun 20, 2026
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Q-switched Nd:YLF laser end pumped by a diode-laser bar
Abstract:
We describe 20-kW operation of a Q-switched Nd:YLF laser end pumped by a 5-mJ, 25-W quasi-cw diode-laser bar. A fiber coupler was used to adapt the 1-cm-wide active area of the diode-laser bar to the circular shape of the TEM(00) mode. The maximum 1047-nm TEM(00) output energy was 0.5 mJ in a 22-nsec Q-switched pulse. This corresponds to a peak power in excess of 20 kW and was obtained at an optical slope efficiency of 13%.
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