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		题名	作者	年代	出处	被引量
	1	Free-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	2021	Matter and Radiation at Extremes2021，6，4：	0

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