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Advanced Accelerator Concepts 2026

26–31 Jul 2026
Luskin Conference Center, UCLA
US/Pacific timezone

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High-energy narrow-divergence electron beam generation from high intensity solid target interactions using the ZEUS laser system

Not scheduled
20m
Luskin Conference Center, UCLA

Luskin Conference Center, UCLA

Speaker

Jeremy Rebenstock (University of Michigan)

Description

Measurements of energetic electron beams from 2 PW laser interactions with solid targets are presented. The experiments were conducted using the Zetawatt Equivalent Ultrashort pulsed laser System (ZEUS) at the University of Michigan with a very long focal length (f/70) focusing geometry and a peak intensity of about 10^19 W/cm^2. Very narrow divergence electron beams ( theta ~ 10 mrad) with energies in excess of 50 MeV were measured from the front surface of the target in the near specular direction. This beam energy was much higher than the ponderomotive energy of the laser pulse. Along with the electron beam, highly directional low order harmonic emission was also simultaneously measured in the specular direction. Preliminary numerical modeling of these interactions will also be presented.

Working group WG5

Author

Jeremy Rebenstock (University of Michigan)

Co-authors

Veronica Contreras (University of Michigan) Paul Campbell (University of Michigan) Yong Ma (University of Michigan) Milos Burger (University of Michigan) Nicolas Kalem (University of Michigan) Bixue Hou Che-Hao Chang Grant Young Matthew Shepard (University of Michigan) Mirielle Wong (University of Michigan) Qian Qian (University of Michigan) Anatoly Maksimchuk John Nees Carolyn Kuranz (University of Michigan) Alexander Thomas (Gerard Mourou Centre for Ultrafast Optical Science) Louise Willingale (University of Michigan) Karl Krushelnick (University of Michigan)

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