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Proceedings Paper

50-mJ, 1-kHz Yb:YAG thin-disk regenerative amplifier with 969-nm pulsed pumping
Author(s): Michal Chyla; Taisuke Miura; Martin Smrž; Patricie Severova; Ondrej Novak; Akira Endo; Tomas Mocek
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Paper Abstract

We are developing a 100-mJ Yb:YAG thin-disk regenerative amplifier operating at 1-kHz repetition rate pumped at zero-phonon-line (968.825-nm1) and delivering 1-2 ps pulses for EUV plasma sources applicable in science and industry. Recently we achieved the output energy of nearly 50-mJ from a single laser-head cavity with good beam quality (M2<1.2) as well as stable beam-pointing (<4μrad). Applying pulsed pumping with the pulse duration shorter than the upper state lifetime of Yb:YAG helps to reduce the ASE and thermal loading of the thin-disk.

Paper Details

Date Published: 28 February 2014
PDF: 6 pages
Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89590S (28 February 2014); doi: 10.1117/12.2039736
Show Author Affiliations
Michal Chyla, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Taisuke Miura, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Martin Smrž, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Patricie Severova, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Ondrej Novak, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
Akira Endo, Institute of Physics of the ASCR, v.v.i. (Czech Republic)
Tomas Mocek, Institute of Physics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8959:
Solid State Lasers XXIII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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