Coherent-transition-radiation-based reconstruction of laser plasma accelerated electron bunches

Maxwell LaBerge; Omid Zarini; Alex H. Lumpkin; Alexander Debus; Andrea Hannasch; Jurjen Couperus Cabadağ; Brant Bowers; Alexander Koehler; Rafal Zgadzaj; Ulrich Schramm; Arie Irman; Michael C. Downer

doi:10.1117/12.2592306

18 April 2021 Coherent-transition-radiation-based reconstruction of laser plasma accelerated electron bunches

Maxwell LaBerge, Omid Zarini, Alex H. Lumpkin, Alexander Debus, Andrea Hannasch, Jurjen Couperus Cabadağ, Brant Bowers, Alexander Koehler, Rafal Zgadzaj, Ulrich Schramm, Arie Irman, Michael C. Downer

Author Affiliations +

Proceedings Volume 11779, Laser Acceleration of Electrons, Protons, and Ions VI; 117790E (2021) https://doi.org/10.1117/12.2592306
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

Laser plasma accelerators produce ultra-short, low emittance electron bunches that show potential for use in multistage colliders or for seeding free electron lasers. However, to optimize these novel accelerators for such applications, new diagnostics for micron-scale beams must be developed. In this paper we present single shot coherent optical transition radiation diagnostics that measure spatial and momentum distributions of microbunched high energy electron populations at the exit of a laser plasma accelerator. We show correspondence between the measured position and momentum of the electron beamlets as well as transverse distribution reconstructions of the coherent portion of the beam on a single shot at a variety of wavelengths. Finally, we propose a scheme for a full three-dimensional reconstruction of an electron bunch through coherent transition radiation analysis.

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Maxwell LaBerge, Omid Zarini, Alex H. Lumpkin, Alexander Debus, Andrea Hannasch, Jurjen Couperus Cabadağ, Brant Bowers, Alexander Koehler, Rafal Zgadzaj, Ulrich Schramm, Arie Irman, and Michael C. Downer "Coherent-transition-radiation-based reconstruction of laser plasma accelerated electron bunches", Proc. SPIE 11779, Laser Acceleration of Electrons, Protons, and Ions VI, 117790E (18 April 2021); https://doi.org/10.1117/12.2592306

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