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Optica, Optics Express, 23(28), p. 34574, 2020

DOI: 10.1364/oe.404077

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Thin-disk laser-pumped OPCPA system delivering 44 TW few-cycle pulses

Journal article published in 2020 by Martin Kretschmar, Johannes Tuemmler, Bernd Schütte ORCID, Andreas Hoffmann ORCID, Björn Senfftleben, Mark Mero ORCID, Mario Sauppe ORCID, Daniela Rupp ORCID, Marc J. J. Vrakking ORCID, Ingo Will, Tamas Nagy ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We present an optical parametric chirped pulse amplification (OPCPA) system delivering 4.4 TW pulses centered at 810 nm with a sub-9 fs duration and a carrier-envelope phase stability of 350 mrad. The OPCPA setup pumped by sub-10 ps pulses from two Yb:YAG thin-disk lasers at 100 Hz repetition rate is optimized for a high conversion-efficiency. The terawatt pulses of the OPCPA are utilized for generating intense extreme ultraviolet (XUV) pulses by high-order harmonic generation, achieving XUV pulse energies approaching the microjoule level.