Explosion of atomic clusters heated by high-intensity femtosecond laser pulses

被引:231
作者
Ditmire, T [1 ]
Springate, E [1 ]
Tisch, JWG [1 ]
Shao, YL [1 ]
Mason, MB [1 ]
Hay, N [1 ]
Marangos, JP [1 ]
Hutchinson, MHR [1 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England
来源
PHYSICAL REVIEW A | 1998年 / 57卷 / 01期
关键词
D O I
10.1103/PhysRevA.57.369
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have experimentally and theoretically studied the high-intensity (>10(16) W cm(-2)), femtosecond photoionization of inertially confined noble-gas clusters. We have examined the energies of electrons and ions ejected during these interactions and found that particles with substantial kinetic energy are generated. Electrons with energies up to 3 keV and ions with energies of up to 1 MeV have been observed. These experimental observations are well explained by a theoretical model of the cluster as a small plasma sphere that explodes following rapid electron collisional heating by the intense laser pulse. [S1050-2947(97)02912-0].
引用
收藏
页码:369 / 382
页数:14
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