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Springer, The European Physical Journal D, 3(69), 2015

DOI: 10.1140/epjd/e2015-50568-y

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Carrier-envelope phase dependent high-order harmonic generation with a high-repetition rate OPCPA-system

Journal article published in 2015 by Piotr Rudawski, Anne Harth, Chen Guo, Eleonora Lorek, Miguel Miranda, Christoph M. Heyl, Esben W. Larsen, Jan Ahrens, Oliver Prochnow, Thomas Binhammer, Uwe Morgner, Johan Mauritsson ORCID, A. L'Huillier, Anne L’Huillier, Cord L. Arnold
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We study high-order harmonic generation with a high-repetition rate (200 kHz), few-cycle, driving laser, based on optical parametric chirped pulse amplification. The system delivers carrier-envelope phase stable, 8 fs, 10 μJ pulses at a central wavelength of 890 nm. High-order harmonics, generated in a high-pressure Ar gas jet, exhibit a strong CEP-dependence over a large spectral range owing to excellent stability of the driving laser pulses. This range can be divided into three spectral regions with distinct CEP influence. The observed spectral interference structures are explained by an analytical model based upon multiple pulse interferences. ; Other ; publishedVersion