MULTIPHOTON IONIZATION OF ATOMIC-HYDROGEN IN INTENSE SUBPICOSECOND LASER-PULSES

被引:72
|
作者
ROTTKE, H
WOLFF, B
BRICKWEDDE, M
FELDMANN, D
WELGE, KH
机构
[1] Fakultät F̈r Physik, Universität Bielefeld
关键词
D O I
10.1103/PhysRevLett.64.404
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Multiphoton ionization of atomic hydrogen is investigated experimentally in the short-pulse regime (0.5 ps) at wavelengths around 600 nm and intensities up to 1014 W/cm2. Sharp peaks in the energy spectrum of the photoelectrons can be attributed to resonant ionization processes via excited states which are ac-Stark shifted into resonance. Energies and angular distributions of the electrons allow one to identify some participating excited states with quantum numbers n4 and l3. © 1990 The American Physical Society.
引用
收藏
页码:404 / 407
页数:4
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