Laser pulse propogation through a strong absorbing fluid layer

被引：0
作者：
Kucherov, AN [1 ]
机构：
[1] Cent Aerohydrodynam Inst, Dept Fundamental Res, Zhukovskii 140180, Moscow Region, Russia
来源：
LASER-ASSISTED MICRO- AND NANOTECHNOLOGIES 2003 | 2004年 / 5399卷
关键词：
laser beam; fluid; water; propagation; density; temperature; pressure; shock waves; bleaching; transparency; energy;
D O I：
10.1117/12.552845
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A bleaching effect of a strong absorbing fluid by a short laser pulse is investigated for the layer depth of the order of the absorption length under assumption of the linear relation between the fluid density and absorption coefficient. Gaussian and ring perpendicular intensity distributions of beams are considered. Space and time evolution of the basic parameters of the interacting matter and radiation are calculated - density, temperature, pressure, specific inner energy, fluid velocity, radiation intensity. A satisfactory agreement is found for the theoretical and experimental transparency function dependence on the pulse energy.
引用
收藏
页码：260 / 265
页数：6
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