Journal
EUROPEAN PHYSICAL JOURNAL D
Volume 69, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1140/epjd/e2015-50568-y
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Funding
- Marie Curie Research Training Network ATTOFEL
- European Research Council
- Knut and Alice Wallenberg foundation
- Swedish Foundation for Strategic Research
- Swedish Research Council
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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 mu J 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.
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