Monolithic multi-pass thin-disk laser amplifier providing near fundamental mode 2.3 mJ pulse energy at 1.4 kW average output power and 950 fs pulse duration

Thomas Dietz; Dominik Bauer; Michael Scharun; Helge Hock; Dirk Sutter; Alexander Killi; Alfred Leitenstorfer

doi:10.1364/ASSL.2018.AM2A.4

Laser Congress 2018 (ASSL)
OSA Technical Digest (Optica Publishing Group, 2018),
paper AM2A.4
•https://doi.org/10.1364/ASSL.2018.AM2A.4

Monolithic multi-pass thin-disk laser amplifier providing near fundamental mode 2.3 mJ pulse energy at 1.4 kW average output power and 950 fs pulse duration

Thomas Dietz, Dominik Bauer, Michael Scharun, Helge Hock, Dirk Sutter, Alexander Killi, and Alfred Leitenstorfer

Advanced Solid State Lasers 2018

Boston, Massachusetts United States
4–8 November 2018
ISBN: 978-1-943580-48-4

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High Power and Beam Combination (AM2A)

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T. Dietz, D. Bauer, M. Scharun, H. Hock, D. Sutter, A. Killi, and A. Leitenstorfer, "Monolithic multi-pass thin-disk laser amplifier providing near fundamental mode 2.3 mJ pulse energy at 1.4 kW average output power and 950 fs pulse duration," in Laser Congress 2018 (ASSL), OSA Technical Digest (Optica Publishing Group, 2018), paper AM2A.4.

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Abstract

A Yb:YAG thin-disk multi-pass laser amplifier pumped at 941 nm delivers 2.3 mJ of pulse energy at 1.4 kW average output power, 950 fs pulse duration and M² < 1.8 beam quality. Zero-phonon-line pumping at 969 nm improves M² to below 1.4 at 1.8 mJ pulse energy and 1.1 kW average output.

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