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Interaction of intense laser pulses with atomic clusters

被引：869
作者：
Ditmire, T
Donnelly, T
Rubenchik, AM
Falcone, RW
Perry, MD
机构：
[1] LAWRENCE LIVERMORE NATL LAB, LASER PROGRAM, LIVERMORE, CA 94550 USA
[2] UNIV CALIF BERKELEY, DEPT PHYS, BERKELEY, CA 94720 USA
来源：
PHYSICAL REVIEW A | 1996年 / 53卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.53.3379
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine the interaction of intense, femtosecond laser radiation with the large (50-200 Angstrom) clusters produced in pulsed gas jets. Both experiment and simulation show that the plasmas produced during these interactions exhibit electron temperatures far in excess of that predicted by above-threshold ionization theory for a low-density gas. Efficient heating of the clusters by the laser is followed by rapid expansion of the clusters and long-lived x-ray emission from hot, decaying, underdense plasma.
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页码：3379 / 3402
页数：24
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