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2篇 您的检索式:作者名="M.Werdiger"
    题名 作者 年代 出处 被引量
1Free-surface velocity measurements of opaque materials in laser-driven shock-wave experiments using photonic Doppler velocimetry显示文摘We present a novel photonic Doppler velocimetry(PDV)design for laser-driven shock-wave experiments.This PDV design is intended to provide the capability of measuring the free-surface velocity of shocked opaque materials in the terapascal range.We present measurements of the free-surface velocity of gold for as long as∼2 ns from the shock breakout,at pressures of up to∼7 Mbar and a free-surface velocity of 7.3 km/s with an error of∼1.5%.Such laboratory pressure conditions are achieved predominantly at high-intensity laser facilities where the only velocity diagnostic is usually line-imaging velocity interferometry for any reflector.However,that diagnostic is limited by the lower dynamic range of the streak camera(at a temporal resolution relevant to laser shock experiments)to measure the free-surface velocity of opaque materials up to pressures of only∼1 Mbar.We expect the proposed PDV design to allow the free-surface velocity of opaque materials to be measured at much higher pressures.N.Nissim E.Greenberg M.Werdiger Y.Horowitz L.Bakshi Y.Ferber B.Glam A.Fedotov-Gefen L.Perelmutter S.Eliezer 2021Matter and Radiation at Extremes2021,6,4:0
2Physics and applications with laser-induced relativistic shock waves显示文摘The laser-induced relativistic shock waves are described. The shock waves can be created directly by a high irradiance laser or indirectly by a laser acceleration of a foil that collides with a second static foil. A special case of interest is the creation of laser-induced fusion where the created alpha particles create a detonation wave. A novel application is suggested with the shock wave or the detonation wave to ignite a pre-compressed target. In particular, the deuterium–tritium fusion is considered. It is suggested that the collision of two laser accelerated foils might serve as a novel relativistic accelerator for bulk material collisions.S.Eliezer J.M.Martinez-Val Z.Henis N.Nissim S.V.Pinhasi A.Ravid M.Werdiger E.Raicher 2016High Power Laser Science and Engineering2016,4,3:0
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