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Material Science and Engineering Department
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HED experiments using high-energy lasers

Jon Eggert

Chief HED Scientist for JHEDS at Lawrence Livermore National Laboratory

Event Details:

Wednesday, May 29, 2024
11:30am - 12:30pm PDT


Stanford University
350 Jane Stanford Way Stanford
Packard 101
Stanford, CA 94305
United States

This event is open to:

General Public

Abstract: Over the past 25 years high-energy lasers have become a common driver for dynamic experiments at high energy density (HED) conditions.  In this talk I will review a variety of experimental platforms we have developed to measure materials properties, including pre-compressed samples, shock- and ramp- compressed drives, pyrometry, and x-ray diffraction.  With the advent of hard x-ray free-electron sources, like the LCLS at SLAC, have revolutionized the quality of diffraction and other x-ray measurements that can be made using high-energy laser drivers.  I will describe a number of measurements we have made on XFEL sources.  Finally, I will describe some exciting future experiments that will be done in the next few years.

Bio: Dr. Jon Eggert is the Chief HED Scientist for JHEDS at Lawrence Livermore National Laboratory.  He received his Ph.D. from Harvard University with post-docs at the CAS Institute of Physics and the CIW Geophysical Laboratory.  Before moving to LLNL, He was a professor at Pomona College and the Colorado School of Mines and spend two years as a visiting scientist at the CEA de Bruyères-le-Châtel.  He switched from DAC static high-pressure experiments to laser-driven dynamic-compression experiments when he moved to LLNL.  Dr. Eggert led the design and implementation of pre-compressed DAC, x-ray diffraction, and ramp-compression EOS platforms at both the Omega and the NIF laser facilities.  And he currently directs efforts to develop new diagnostics for laser-driven dynamic-compression experiments at synchrotrons and XFELs, especially the push to field dynamic-compression experiments at repetition rates faster than 1 Hz.  Dr. Eggert is a Fellow of the American Physical Society

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