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Investigation of Al plasmas from thin foils irradiated by high-intensity extreme ultraviolet 被引量:1
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作者 E.V.Grabovski P.V.Sasorov +14 位作者 A.P.Shevelko V.V.Aleksandrov S.N.Andreev M.M.Basko A.V.Branitski A.N.Gritsuk G.S.Volkov Ya.N.Laukhin K.N.Mitrofanov G.M.Oleinik A.A.Samokhin V.P.Smirnov I.Yu.Tolstikhina i.n.frolov O.F.Yakushev 《Matter and Radiation at Extremes》 SCIE EI CAS 2017年第3期129-138,共10页
Dynamics and spectral transmission of Al plasma produced by extreme ultraviolet(EUV)irradiation of 0.75-mm thick Al foil is investigated.The EUV radiation with the peak power density in the range of 0.19-0.54 TW/cm 2 ... Dynamics and spectral transmission of Al plasma produced by extreme ultraviolet(EUV)irradiation of 0.75-mm thick Al foil is investigated.The EUV radiation with the peak power density in the range of 0.19-0.54 TW/cm 2 is provided by Z-pinch formed by W multiwire array implosion in the Angara-5-1 facility.Geometry of the experiment ensures that there are no plasma fluxes from the pinch toward the Al foil and plasma.The same EUV source is used as a back illuminator for obtaining the absorption spectrum of Al plasma in the wavelength range of 5e24 nm.It comprises absorption lines of ions Al^(4+),Al^(5+),Al^(6+),Al^(7+).Analysis of relative intensities of the lines shows that those ions are formed in dense Al plasma with a temperature of~20 eV.Dynamics of Al plasma has been investigated with transverse laser probing.We have also performed radiation-gas-dynamics simulations of plasma dynamics affected by external radiation,which includes self-consistent radiation transport in a plasma shell.The simulations show good agreement with an experimental absorption spectrum and with experimental data concerning plasma dynamics,as well as with the analysis of line absorption spectrum.This confirms the correctness of the physical model underlying these simulations. 展开更多
关键词 Z-PINCH Dense plasma transparency
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X-Ray Radiation Characteristics of Nested-Wire Array Implosion in Sino-Russian Joint Z-pinch Experiments on Angara-5-1 被引量:5
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作者 徐荣昆 李正宏 +19 位作者 宁佳敏 郭存 许泽平 杨建伦 李林波 夏广新 毕欣生 丁宁 刘强 顾元朝 E.V.Grabovsky G.M.Oleynic S.L.Nedoseev V.V.Alexandrov K.N.Mitrofanov M.V.Zurin G.S.Volkov I.A.Porofeev i.n.frolov V.P.Smirnov 《Chinese Physics Letters》 SCIE CAS CSCD 2005年第2期413-415,共3页
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