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

被引：109

作者：

Gopal, R. ^{[1
]}

Simeonidis, K. ^{[1
]}

Moshammer, R. ^{[1
]}

Ergler, Th. ^{[1
]}

Duerr, M. ^{[1
]}

Kurka, M. ^{[1
]}

Kuehnel, K.-U. ^{[1
]}

Tschuch, S. ^{[1
]}

Schroeter, C.-D. ^{[1
]}

Bauer, D. ^{[1
]}

Ullrich, J. ^{[1
]}

Rudenko, A. ^{[2
]}

Herrwerth, O. ^{[3
]}

Uphues, Th. ^{[3
]}

Schultze, M. ^{[3
]}

Goulielmakis, E. ^{[3
]}

Uiberacker, M. ^{[3
]}

Lezius, M. ^{[3
]}

Kling, M. F. ^{[3
]}

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[2] CFEL, Max Planck Adv Study Grp, D-22607 Hamburg, Germany

[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 05期

关键词：

IONIZATION; MOLECULES;

D O I：

10.1103/PhysRevLett.103.053001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using a reaction microscope, three-dimensional (3D) electron (and ion) momentum (P) spectra have been recorded for carrier-envelope-phase (CEP) stabilized few-cycle (similar to 5 fs), intense (similar to 4 x 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.

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页数：4

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