Laser-induced shock waves from micro-scale volumina and in small tubes

被引：0
|
作者：
Garen, W. [1 ]
Friebel, F. [1 ]
Braun, V. [1 ]
Koch, S. [1 ]
Teubner, U. [1 ,2 ]
机构：
[1] Univ Appl Sci, Inst Lasertech Ostfriesland, Fachhsch Emden Leer, D-26723 Emden, Germany
[2] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany
来源：
SHOCK WAVES | 2012年 / 22卷 / 04期
关键词：
Weak shocks in narrow tubes; Interferometric density and velocity measurements of laser driven shocks; Capturing of spherical shock waves into thin tubes;
D O I：
10.1007/s00193-011-0343-x
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Shock waves induced in a volume with a lateral dimension of the order of micrometers are investigated. In particular, shocks of spherical geometry are generated by means of weakly ionized laser produced plasmas. The plasmas are generated by intense pulsed laser radiation focused directly in atmospheric air. These measurements serve as tests for subsequent shocks launched from such laser plasmas into a narrow tube. The shock velocity as well as the density distribution are measured with a laser interferometer. Experimental results for shocks from nanosecond and femtosecond laser-generated plasmas are compared.
引用
收藏
页码：281 / 286
页数：6
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