Explosion and Dynamic Transparency of Low-Density Structured Polymeric Targets Irradiated by a Long-Pulse KrF Laser

被引：0
|
作者：
Zvorykin, Vladimir D. [1 ]
Borisenko, Natalia G. [1 ]
Pervakov, Kirill S. [1 ]
Shutov, Alexey V. [1 ]
Ustinovskii, Nikolay N. [1 ]
机构：
[1] PN Lebedev Phys Inst, Leninskii Prospekt 53, Moscow 119991, Russia
来源：
SYMMETRY-BASEL | 2023年 / 15卷 / 09期
关键词：
interaction of KrF laser with foams; foam-produced plasma expansion; propagation of laser radiation through foams; INERTIAL CONFINEMENT FUSION; IMPRINT REDUCTION; PLASMA; RADIATION; IGNITION; HYDRODYNAMICS; PERFORMANCE; ABLATION; LAYERS;
D O I：
10.3390/sym15091688
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The hydrodynamics of plasma formed in the interaction of 100 ns UV KrF laser pulses with foam targets with volume densities from 5 to 500 mg/cm(3) was studied. Initial and dynamic transmittance at 248 nm wavelength were measured. At intensities of about 10(12) W/cm(2), the propagation rates of radiation through foam targets reached 80 km/s, while plasma stream velocities from both the front and rear sides of targets were approximately the same, similar to 75 km/s, which confirms a volumetric absorption of radiation within the target thickness and the explosive nature of the plasma formation and expansion.
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页数：13
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