HIGH-RESOLUTION MULTIPHOTON IONIZATION AND DISSOCIATION OF H2 AND D2 MOLECULES IN INTENSE LASER FIELDS

被引：96

作者：

YANG, B

SAEED, M

DIMAURO, LF

ZAVRIYEV, A

BUCKSBAUM, PH

机构：

[1] UNIV MICHIGAN, DEPT PHYS, ANN ARBOR, MI 48109 USA

[2] LOUISIANA STATE UNIV, DEPT PHYS, BATON ROUGE, LA 70803 USA

来源：

PHYSICAL REVIEW A | 1991年 / 44卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.44.R1458

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the multiphoton ionization and dissociation of hydrogen and deuterium molecules in intense (8 x 10(11)-4 x 10(13) W/cm2) laser fields. The investigations were performed with the second harmonics of two different laser systems, a 50-ps neodymium-doped yttrium lithium fluoride and a 10-ns neodymium doped yttrium aluminum garnet laser. Measurements included energy-resolved photoelectron and mass spectroscopy. In addition, we report on a measurement of the dynamics of different above-threshold dissociation branching ratios for H-2+ and D2+ over a wide range of laser intensities. Our results support the dressed-molecule picture at least qualitatively, but differences do exist with the quantitative predictions.

引用

页码：R1458 / R1461

页数：4

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