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Physical processes in laser interaction with porous low-density materials

  • N.G. Borisenko (a1), A.E. Bugrov (a2), I.N. Burdonskiy (a2), I.K. Fasakhov (a2), V.V. Gavrilov (a2), A.Yu. Goltsov (a2), A.I. Gromov (a1), A.M. Khalenkov (a1), N.G. Kovalskii (a2), Yu.A. Merkuliev (a1), V.M. Petryakov (a2), M.V. Putilin (a2), G.M. Yankovskii (a2) and E.V. Zhuzhukalo (a2)...

Abstract

New results obtained in experiments on laser irradiation (I = 5 × 1013 W/cm2, λ = 1.054 µm) of low-density (2–10 mg/cm3) porous materials (agar, triacetate cellulose, and foam polysterene) are presented and discussed from the standpoint of optimum porous material utilization in target designs for inertial confinement fusion. The influence of low-density material microstructure of irradiated samples on the absorption of laser radiation and the energy transfer processes was investigated using X-ray and optical diagnostic methods with high temporal and spatial resolution.

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Corresponding author

Address correspondence and reprint requests to: V.V. Gavrilov, Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia. E-mail: vvgavril@triniti.ru

References

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