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2篇 您的检索式:作者名="Brandon Hong"
    题名 作者 年代 出处 被引量
1Subnanometer imaging and controlled dynamical patterning of thermocapillary driven deformation of thin liquid films显示文摘Exploring and controlling the physical factors that determine the topography of thin liquid dielectric films are of interest in manifold fields of research in physics,applied mathematics,and engineering and have been a key aspect of many technological advancements.Visualization of thin liquid dielectric film topography and local thickness measurements are essential tools for characterizing and interpreting the underlying processes.However,achieving high sensitivity with respect to subnanometric changes in thickness via standard optical methods is challenging.We propose a combined imaging and optical patterning projection platform that is capable of optically inducing dynamical flows in thin liquid dielectric films and plasmonically resolving the resulting changes in topography and thickness.In particular,we employ the thermocapillary effect in fluids as a novel heat-based method to tune plasmonic resonances and visualize dynamical processes in thin liquid dielectric films.The presented results indicate that lightinduced thermocapillary flows can form and translate droplets and create indentation patterns on demand in thin liquid dielectric films of subwavelength thickness and that plasmonic microscopy can image these fluid dynamical processes with a subnanometer sensitivity along the vertical direction.Shimon Rubin Brandon Hong Yeshaiahu Fainman 2019Light(Science & Applications)2019,8,1:1
2Fuel-ion diffusion in shock-driven inertial confinement fusion implosions显示文摘The impact of fuel-ion diffusion in inertial confinement fusion implosions is assessed using nuclear reaction yield ratios and reaction histories.In T3He-gas-filled(with trace D)shock-driven implosions,the observed TT/T3He yield ratio is∼23lower than expected from temperature scaling.InD3He-gas-filled(with trace T)shock-driven implosions,the timing of theD3He reaction history is∼50 ps earlier than those of the DT reaction histories,and average-ion hydrodynamic simulations cannot reconcile this timing difference.Both experimental observations are consistent with reduced T ions in the burn region as predicted by multi-ion diffusion theory and particle-in-cell simulations.Hong Sio Chikang Li Cody E.Parker Brandon Lahmann Ari Le Stefano Atzeni Richard D.Petrasso 2019Matter and Radiation at Extremes2019,4,5:0
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