Three-Dimensional Momentum Imaging of Electron Wave Packet Interference in Few-Cycle Laser Pulses

R. Gopal, K. Simeonidis, R. Moshammer, Th. Ergler, M. Duerr, K.-U. Kuehnel, S. Tschuch, C.-D. Schroeter, J. Ullrich, A. Rudenko, O. Herrwerth, Th. Uphues, M. Schultze, E. Goulielmakis, M. Uiberacker, M. Lezius, M. F. Kling

Research output: Contribution to journalArticlepeer-review

Abstract

Using a reaction microscope, three-dimensional (3D) electron (and ion) momentum (P) spectra have been recorded for carrier-envelope-phase (CEP) stabilized few-cycle (∼ 5 fs), intense (∼ 4× 10 14 W/cm 2) laser pulses (740 nm) impinging on He. Preferential emission of low-energy electrons (E e< 15 eV) to either hemisphere is observed as a function of the CEP. Clear interference patterns emerge in P space at CEPs with maximum asymmetry, interpreted as attosecond interferences of rescattered and directly emitted electron wave packets by means of a simple model.
Original languageEnglish
Pages (from-to)053001
JournalPhysical Review Letters
Volume103
Issue number5
DOIs
Publication statusPublished - 31 Jul 2009
Externally publishedYes

Fields of Expertise

  • Advanced Materials Science

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