Supersonic ionization wave driven by radiation transport in a short-pulse laser-produced plasma

被引：30

作者：

Ditmire, T

Gumbrell, ET

Smith, RA

Mountford, L

Hutchinson, MHR

机构：

[1] Blackett Laboratory, Imperial College of Science Technology and Medicine, London

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.77.498

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Through the use of an ultrashort (2 ps) optical probe, we have time resolved the propagation of an ionization wave into solid fused silica. This ionization wave results when a plasma is created by the intense irradiation of a solid target with a 2 ps laser pulse. We find that the velocity of the ionization wave is consistent with radiation driven thermal transport, exceeding the velocity expected from simple electron thermal conduction by nearly an order of magnitude.

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收藏

页码：498 / 501

页数：4

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