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
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 04期
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.
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页码：404 / 407
页数：4
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