UXSS 2016 Lecture
Siegfried Glenzer, who is the recipient of the recent E. O. Lawrence award, is Professor and High-Energy-Density division director at SLAC National Accelerator Laboratory. He joined SLAC as a distinguished scientist in 2013 to build a new discovery-class program in exploring matter in extreme conditions using high-power lasers and the world-class Linac Coherent Light Source x-ray beam.
Before joining SLAC, he held the plasma physics group leader position at the Lawrence Livermore National Laboratory for 12 years, where he led the first inertial confinement fusion experiments on the National Ignition Facility. He has also been visiting lecturer at the University of California, Berkeley. Siegfried is the individual recipient of the American Physical Society “Excellence in Plasma Physics” Award (2003). He also won two DOE Excellence in Publications Awards (2011 & 2014) and two Science and Technology Awards (2005 & 2012). In 2004, he received the Alexander-von-Humboldt senior research prize and spent a research and teaching year at the Universität Rostock and at the Deutsche Elektronen Synchrotron in Hamburg, Germany. Since then, he has been the host for two Alexander-von-Humboldt Lynen postdoctoral fellows, two Lawrence postdoctoral fellows, three Peter-Paul-Ewald fellows, and has supervised more than 20 postdoctoral scientists both at LLNL and SLAC.
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Paulo Alves is a Research Associate at the High Energy Density Sciences Division at SLAC. He obtained his PhD in Physics in 2015 at the Instituto Superior Tecnico, Universidade de Lisboa, Paulo. His PhD research was focused on the microphysics of relativistic plasmas and intense laser-plasma interactions using theory and massively parallel particle-in-cell simulations, and was developed at the Group for Lasers and Plasmas under the supervision of Professor Luis. O Silva. At SLAC, Paulo’s research aims at understanding the role of kinetic plasma effects on the global evolution of high-energy-density plasma systems. He is also interested in the further development of plasma simulation algorithms to efficiently capture these microphysical effects in large-scale domains over long interaction times.
Staff Scientist and Theory Group Leader
Frederico Fiuza is a Staff Scientist and Theory Group Leader at SLAC since 2015. Before coming to SLAC, he was a Lawrence Fellow at LLNL since 2012. His research focuses on plasma theory and massively parallel kinetic simulations towards applications in inertial confinement fusion, laboratory astrophysics, and compact plasma-based accelerators.
He obtained his MSc degree in Physics and his PhD degree in Plasma Physics from Instituto Superior Tecnico (IST, Portugal) in 2007 and 2012, respectively. Between 2004 and 2012 he conducted his research at the Group of Lasers and Plasmas (IST) under the supervision of Luis Silva. During 2009, he was also a visiting scholar at the Plasma Simulation Group (UCLA) under the supervision of Warren Mori.
Frederico has more than 50 publications in peer-reviewed journals and he has been awarded the Oscar Buneman Award for Best Visualization of Plasmas in 2011 and the European Physical Society PhD Research Award in 2013.
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Maxence completed his Ph.D. at the Laboratoire pour L’utilisation des Laser Intenses (LULI), Palaiseau, France (Ecole Polytechnique thesis prize 2013) and undergraduate studies at the Ecole Supérieur d’électricité. His research interest lies in the field of relativistic laser-plasma interaction. His work is focused on the production of energetic ions using high-intensity short pulse laser and their potential application to generate and diagnose high energy density plasmas. More specifically, he has been involved in experiments aiming at measuring ion stopping power in isochorically-heated warm dense matter, studying processes relevant to astrophysics such as magnetic field self-generation and collision-less shock acceleration.
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Luke Fletcher is an associate staff scientist working in the High Energy Density Sciences (HED) division at SLAC National Accelerator Laboratory. He is the acting group leader for the high pressure physics group within HED, and is a senior principle investigator for experiments performed at the Linac Coherent Light Source (LCLS) involving high temperature and high pressure states of matter. Luke joined SLAC in 2013 after completing a two-year postdoctoral research fellowship at the University of California Berkeley department of physics working in collaboration with the National Ignition Facility photon science group at Lawrence Livermore National Laboratory. In that capacity, his research focused on using laser produced x-ray sources to measure temperatures, densities, and ionization states of above solid-density plasmas using x-ray Thomson scattering techniques. Luke received a bachelor of science in physics from the University of Arizona, and a master’s degree and doctorate in applied physics from the University of California Davis.
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Rohini Mishra is a research associate in high energy density science (HEDS) department at SLAC. She has obtained her PhD in Physics from University of Nevada Reno (UNR). Her research focuses on theory and simulation of high power laser-matter interaction. Relativistically intense laser-matter interaction is a field of great physical interest due to highly non-linear and relativistic phenomena involved and also has important applications in scientific, technological, and medical areas. In particular she is interested to study particle (electron and ion) generation, laser isochoric heating and heat transport in dense plasmas using kinetic particle-in-cell (PIC) codes, which run on high performance parallel computing systems. Using both theoretical modeling and numerical simulations she helps in design and interprets the experimental results to get the better insight and understanding of the physics.
Visiting Postdoctoral Researcher
Emma Elizabeth McBride is currently a Peter Paul Ewald Postdoctoral Fellow at SLAC National Accelerator Laboratory and the High Energy Density (HED) Instrument at the European XFEL, Germany. Through an award from the Scottish Doctoral Training Centre in Condensed Matter Physics, she received her PhD at the Centre of Science at Extreme Conditions (CSEC) at the University of Edinburgh, UK, focusing on using static and dynamic compression techniques to investigate the alkali elements. Following her PhD she worked as a postdoctoral research at DESY, Germany, on the Helmholtz International Beamline for Extreme Fields (HIBEF), a user consortium aiming to provide high-powered long and short pulse laser, pulsed magnetic fields, and diamond anvil cells to the HED instrument at European XFEL. During this time she served as the secretary of the HIBEF Scientific Advisory Committee. Her current research focusses on performing static and dynamic compression experiments on hard X-ray FELS, with particular attention paid to using in situ X-ray diffraction to probe extreme pressure and temperature states on nanosecond timescales.
Diploma, Friedrich-Schiller-University Jena, 2009 PhD, Friedrich-Schiller-University Jena, 2014 Peter-Paul-Ewald Fellow (postdoctoral fellowship from Volkswagen Foundation), since 2014 Visiting Scientist at Friedrich-Schiller-University Jena and Stanford University
Christian Roedel is Peter Paul Ewald Postoctoral Fellow at SLAC and the University of Jena. Through an award of the Carl Zeiss Foundation, he received his PhD 2014 at the University of Jena focusing on relativistic nonlinear optics. His research interest include intense attosecond pulse generation and attosecond physics, soft x-ray imaging, strong field QED and laboratory astrophysics.
Bastian Witte is a visiting physicist in the HED department at SLAC National Accelerator Laboratory since January 2016. He has been researching as a scientific assistant at University of Rostock since November 2015. He is a Ph.D. student in the field of theoretical description for x-ray scattering experiments on high energy density matter. He earned his Bachelor's degree in physics in 2013 and his Master's degree in physics in 2015 both at University of Rostock with best grades. His student scholarship allowed him to visit the science group of Prof. Glenzer at SLAC for two months during his Master's studies to achieve remarkable simulation results for the full description of experiments at the Linac Coherent Light Source. He then was offered to join the world leading science community in Stanford as a visiting physicist. Bastian Witte is a student member of the American Physical Society. He lives in Menlo Park, California and partly in Rostock, Germany.
Zhijiang Chen is a postdoctoral fellow researcher at SLAC National Accelerator Laboratory, and NSERC postdoctoral fellow from Canada. He earned his PhD degree from University of Alberta. His main research interests lies in ultrafast laser matter interaction, especially in non-equilibrium warm dense matter. He uses a variety of cutting edge diagnostics including ultrashort pulse THz, optical laser, free electron laser and electron diffraction to study the electron and ion dynamics and electrical conductivity, as surrogates to material properties in warm dense matter conditions.
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Mungo Frost did his PhD in high pressure physics at the University of Edinburgh, Scotland. He is a postdoctoral researcher with HEDS studying high pressure phase diagrams and materials using diamond anvil cells together with optical spectroscopy and x-ray diffraction. Particular interests include low Z elements and compounds containing them.
Eliseo Gamboa is a postdoc in the High Energy Density Sciences division at SLAC. A west coast native, he studied x-ray scattering at the University of Michigan. His current research interests include nonlinear x-ray interactions, shock physics, and diagnostic development.
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Jongjin Kim is a postdoc in the High Energy Density Sciences division at SLAC. After doing ion spectrometry as a chemist in Berkeley, he moved down to SLAC to work on novel cryogenic microjet targets for high-power laser experiments. In addition to bringing cryojets to more experiments, he is interested in building increasingly-complex equipment and diagnostics for these experiments.
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B.S. In Engineering Physics from Olin College of Engineering. Currently working on the analysis of x-ray diffraction and related diagnostics from systems relevant to research in High Energy Density physics.
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Mianzhen Mo started his postdoc in the High Energy Density Science division at SLAC from October 2015. His current research is mainly focusing on using the ultrafast electron diffraction technique to study matter under extreme conditions such as warm dense matter. One of his recent interests is to study the lattice dynamics of warm dense gold formed by ultrafast optical excitation. Before joining SLAC, he did his PhD study at the University of Alberta in Canada and specialized at ultra-intense laser-plasma interaction relevant to laser wakefield acceleration and fast ignition.
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Ben Ofori-Okai received his PhD from MIT working in Prof. Keith Nelson’s group. There, his research efforts focused on the development of THz polaritonics, high field THz generation, and single shot THz detection as well as applications in these three fields. Prior to that he worked in the group of Prof. Christian Degen studying nitrogen vacancy defects in bulk and nano crystalline diamond for potential applications in nanometer scale magnetometry.
Ben is currently studying the material properties of warm dense matter.
Email: firstname.lastname@example.org Phone: 650-926-8572
Will Schumaker joined the HED group in 2014 after graduating with a Ph.D. in Nuclear Engineering from the University of Michigan in Ann Arbor, MI. Currently, he is performing postdoctoral research on Laser Wakefield Acceleration (LWFA) of electrons to relativistic energies as well as applications of these electrons in radiation generation, radiography, and pump-probe experiments at the LCLS-MEC facility. His research interests include laser-plasma interactions, laser-based particle accelerators and X-ray sources, computational plasma physics, high-energy density physics, nuclear fusion, high-intensity laser systems, ultrafast and nonlinear optics.
Philipp Sperling is postdoctoral scholar in the High-Energy-Density division at SLAC National Accelerator Laboratory. He joined SLAC as Alexander-von-Humboldt fellow in 2014. Before Philipp joined SLAC, he was postdoc at the University of Rostock in Germany. In Rostock, he finished his PhD in 2013 that started in 2009.
Shaughnessy Brennan Brown
Shaughnessy Brennan Brown is a PhD Candidate in Mechanical Engineering at Stanford University. She received her B.S. and M.S. in Mechanical Engineering from Stanford University in 2016 with a focus on plasma physics. Her current research centers on phase transitions and atomic processes during dynamic, laser-driven shock compression of solids at the Matter in Extreme Conditions end station of the Linac Coherent Light Source. Shaughnessy is a student member of APS, IEEE, SWE, and she volunteers as the treasurer of the Stanford Mechanical Engineering Women’s Group.
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Jason joins the SLAC HEDS team as a second-year Ph.D student in Stanford physics department. He went to National Taiwan University and graduated with a B.Sc. in physics. The lovely, small tropical island of Taiwan has made him a committed nature lover. He fixes his eyes on birds when not on physics books; he sings music when not speaking physics. The curious heart has found its way to the study of laser-plasma interactions, where he pursues fundamental and in-depth understanding of the HED science. Being bewitched by the profoundness, he has recently decided to become a theorist, aiming at a thorough grasp of the physics and wishing to challenge the unknown.
The projects he’s working on right now include probing ion acceleration mechanisms in laser-solid interactions through computer simulations and bridging with accelerator physics through integrated applications.
Florian Condamine is currently a PhD student in France at LULI (Laboratory for the Use of Intense Lasers) in collaboration with the HEDS team at SLAC. My PhD has for title "X-ray spectroscopy of plasmas generated by X-ray Free Electron Lasers (XFEL)" as the LCLS at SLAC. The objective of this thesis is to study atomic physics processes occurring in extremely non-equilibrium plasmas.
Chandra is a graduate student at the University of Alberta, co-supervised by Prof. Siegfried Glenzer and Dean Ying Tsui. She received her B.Sc. in Honours Physics from McGill University and conducted undergraduate research in high-intensity laser-plasmas at LLNL.
Her current research focusses on the generation and characterization of high energy density hydrogen plasmas. Specifically, she is interested in alternative ion acceleration regimes such as collision-less shock acceleration from a cryogenic hydrogen source developed by the High Energy Density Sciences Division at SLAC.
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Max is currently a Master's student at the University of Rostock and he is a member of the statistical physics group there. He first joined the HEDS group at SLAC in early 2017 after he finished his Bachelor's degree at the Technical University Dortmund to take part in various experiments involving pump-probe experiments on jet targets. His current work focuses on DFT-MD simulations for the dynamic structure factor in warm dense matter.
Peihao Sun is currently a Ph.D. student in the Department of Physics at Stanford University. He was awarded the Stanford Graduate Fellowship in Science and Engineering. He received his B.S. in Physics with a minor in Mathematics in 2015 from UCLA. His current research focuses on materials under extreme conditions, such as high pressure shocks and high-level irradiation.
Sam is a fifth year PhD student in the Stanford physics department and is being co-advised by Frederico Fiuza and Tom Abel from KIPAC. Sam has a broad interest in kinetic plasma physics and is using particle-in-cell simulations to study the dynamics of magnetic fields in laboratory and astrophysical plasmas. Based on a novel phase-space interpolation technique, Sam is also developing new numerical methods for plasma simulation to reduce noise and improve efficiency.
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