Intensity Dependence of Laser-Assisted Attosecond Photoionization Spectra
Marko Swoboda,Jan Marcus Dahlström,Thierry Ruchon,Per Johnsson,Johan Mauritsson,Kenneth J. Schafer,Anne L'Huillier +6 more
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TLDR
In this paper, the influence of the intensity of the IR probe field on APT phase measurements performed with the RABITT method was investigated and it was shown that if a strong IR field is applied, the attosecond pulses will appear to have lower-than-actual chirp rates.Abstract:
We study experimentally the influence of the intensity of the infrared (IR) probe field on attosecond pulse train (APT) phase measurements performed with the RABITT method (Reconstruction of Attosecond Beating by Interference in Two-Photon Transitions). We find that if a strong IR field is applied, the attosecond pulses will appear to have lower-than-actual chirp rates. We also observe the onset of the streaking regime in the breakdown of the weak-field RABITT conditions. We perform a Fourier-analysis of harmonic and sideband continuum states and show that the mutual phase relation of the harmonics can be extracted from higher Fourier components.read more
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Journal ArticleDOI
Introduction to attosecond delays in photoionization
TL;DR: In this article, the authors present an introduction to the interaction of light and matter on the attosecond timescale and the theoretical description of ultra-short time delays and relate these to the phase of extreme ultraviolet (XUV) light pulses and to the asymptotic phaseshifts of photoelectron wave packets.
Journal ArticleDOI
Attosecond dynamical Franz-Keldysh effect in polycrystalline diamond
Matteo Lucchini,Shunsuke A. Sato,André Ludwig,Jens Herrmann,Mikhail Volkov,Lamia Kasmi,Yasushi Shinohara,Kazuhiro Yabana,Lukas Gallmann,Lukas Gallmann,Ursula Keller +10 more
TL;DR: Attosecond transient absorption spectroscopy was applied to investigate the interaction between polycrystalline diamond and a few-femtosecond infrared pulse with intensity below the critical intensity of optical breakdown, and identified infrared induction of intraband currents as the main physical mechanism responsible for the observations.
Journal ArticleDOI
Direct Visualization of Laser-Driven Electron Multiple Scattering and Tunneling Distance in Strong-Field Ionization
Daniel D. Hickstein,Predrag Ranitovic,Stefan Witte,Stefan Witte,Xiao-Min Tong,Y. Huismans,Paul Arpin,Xibin Zhou,K. Ellen Keister,Craig W. Hogle,Bosheng Zhang,Chengyuan Ding,Per Johnsson,Nobuyuki Toshima,Marc J. J. Vrakking,Margaret M. Murnane,Henry C. Kapteyn +16 more
TL;DR: This work shows that the experimental photoelectron angular distributions resulting from laser ionization of xenon and argon display prominent structures that correspond to electrons that pass by their parent ion more than once before strongly scattering.
Journal ArticleDOI
Energy-dependent photoemission delays from noble metal surfaces by attosecond interferometry
Reto Locher,Luca Castiglioni,Matteo Lucchini,M. Greif,Lukas Gallmann,Jürg Osterwalder,Matthias Hengsberger,Ursula Keller +7 more
TL;DR: In this paper, an interferometric technique based on attosecond pulse trains is applied simultaneously in a gas phase and a solid-state target to derive surface-specific photoemission delays.
Journal ArticleDOI
Energy-dependent photoemission delays from noble metal surfaces by attosecond interferometry
Reto Locher,Luca Castiglioni,Matteo Lucchini,M. Greif,Lukas Gallmann,Jürg Osterwalder,Matthias Hengsberger,Ursula Keller +7 more
TL;DR: In this paper, an interferometric technique based on attosecond pulse trains is applied simultaneously in a gas phase and a solid state target to derive surface-specific photoemission delays.
References
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Time-resolved atomic inner-shell spectroscopy
Markus Drescher,Markus Drescher,M. Hentschel,Reinhard Kienberger,M. Uiberacker,Vladislav S. Yakovlev,Armin Scrinzi,Th. Westerwalbesloh,Ulf Kleineberg,Ulrich Heinzmann,Ferenc Krausz +10 more
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