Modeling of optical, transport, and thermodynamic properties of Al metal irradiated by intense femtosecond laser pulses

被引：4
|
作者：
Khishchenko, Konstantin V. [1 ]
Veysman, Mikhail E. [1 ]
Andreev, Nikolay E. [1 ]
Fortov, Vladimir E. [1 ]
Levashov, Pavel R. [1 ]
Povarnitsyn, Mikhail E. [1 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temperatures, Moscow 125412, Russia
来源：
HIGH-POWER LASER ABLATION VII, PTS 1-2 | 2008年 / 7005卷
关键词：
femtosecond laser pulses; complex reflection coefficient; two-temperature hydrodynamic simulation; transport and thermodynamic properties of plasma; aluminum;
D O I：
10.1117/12.782772
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A theoretical model is developed for the interaction of intense femtosecond laser pulses with solid targets on the basis of the two-temperature equation of state for an irradiated substance. It allows the description of the dynamics of the plasma. formation and expansion. Comparison of available experimental data on the amplitude and phase of the complex reflection coefficient of aluminum with the simulation results provides new information on the transport coefficients and absorption capacity of the strongly coupled Al plasma over a wide range of temperatures and pressures.
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页数：8
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