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Updated: May 31, 2026
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Parametric Kerr lens mode-locked, 888 nm pumped Nd:YVO4 laser
Christoph Schäfer1, Christian Fries, Christian Theobald
1Photonik-Zentrum Kaiserslautern e.V., Kohlenhofstr.10, 67663 Kaiserslautern, Germany. christoph.schaefer@pzkl.de
Abstract:
Self-starting cw mode locking of a 888 nm pumped high-power Nd:YVO(4) laser using the χ(2):χ(2) cascaded Kerr lens in lithium triborate without exploiting the "nonlinear mirror" technique is presented. The nonlinear loss modulations are mainly provided by a soft aperture mechanism in the gain medium. A high average output power up to 15.4 W at 10.8 ps pulse duration and short pulses down to 5.7 ps at 11.4 W have been achieved.
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