Observation of enhanced ionization of molecular ions in intense laser fields

被引：265

作者：

Constant, E ^{[1
]}

Stapelfeldt, H ^{[1
]}

Corkum, PB ^{[1
]}

机构：

[1] UNIV SHERBROOKE,FAC SCI,DEPT PHYS,SHERBROOKE,PQ J1K 2R1,CANADA

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.76.4140

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using ultrashort pulse multiphoton ionization, we launch a wave packet in the I-2(2+) state that dissociates into the fragments I2+ and I. We measure its multiphoton ionization probability as a function of its internuclear distance with an intense delayed probe pulse. If the probe pulse is polarized parallel to the internuclear axis, we observe a peak in the ionization yield at a critical distance of 5-6 Angstrom. No such enhancement is seen with perpendicular polarization in agreement with the model of enhanced ionization by electron localization.

引用

页码：4140 / 4143

页数：4

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