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2篇 您的检索式:作者名="Julien Fuchs"
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1Alignment of solid targets under extreme tight focus conditions generated by an ellipsoidal plasma mirror显示文摘The design of ellipsoidal plasma mirrors(EPMs)for the PEARL laser facility is presented.The EPMs achieve a magnification of 0.32 in focal spot size,and the corresponding increase in focused intensity is expected to be about 8.Designing and implementing such focusing optics for short-pulse(<100 fs)systems paves the way for their use in future high-power facilities,where they can be used to achieve intensities beyond 1023W/cm^(2).A retro-imaging-based target alignment system is also described,which is used to align solid targets at the output of the ellispoidal mirrors(with a numerical aperture of 0.75 in this case).Deepak Kumar Michal Smid Sushil Singh Alexander Soloviev Hannes Bohlin Konstantin Burdonov Gashaw Fente Alexander Kotov Livia Lancia Vit Leedl Sergey Makarov Michael Morrissey Sergey Perevalov Denis Romanovsky Sergey Pikuz Ryousuke Kodama David Neely Paul McKenna Tomas Lastovicka Mikhail Starodubtsev Stefan Weber Motoaki Nakatsutsumi Julien Fuchs 2019Matter and Radiation at Extremes2019,4,2:1
2Characterization of the stability and dynamics of a laser-produced plasma expanding across a strong magnetic field显示文摘Magnetized laser-produced plasmas are central to many studies in laboratory astrophysics,in inertial confinement fusion,and in industrial applications.Here,we present the results of large-scale three-dimensional magnetohydrodynamic simulations of the dynamics of a laser-produced plasma expanding into a transverse magnetic field with a strength of tens of teslas.The simulations show the plasma being confined by the strong magnetic field into a slender slab structured by the magnetized Rayleigh–Taylor instability that develops at the plasma–vacuum interface.We find that when the initial velocity of the plume is perturbed,the slab can develop kink-like motions that disrupt its propagation.Weipeng Yao Julien Capitaine Benjamin Khiar Tommaso Vinci Konstantin Burdonov Jérôme Béard Julien Fuchs Andrea Ciardi 2022Matter and Radiation at Extremes2022,7,2:0
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