Bunch shaping in electron linear accelerators

G. Ha, K.-J. Kim, J. G. Power, Y. Sun (孙银娥), and P. Piot
Rev. Mod. Phys. 94, 025006 – Published 31 May 2022

Abstract

Modern electron linear accelerators are often designed to produce smooth bunch distributions characterized by their macroscopic ensemble-average moments. However, an increasing number of accelerator applications call for finer control over the beam distribution, such as by requiring specific shapes for its projection along one coordinate. Ultimately, the control of the beam distribution at the single-particle level could enable new opportunities in accelerator science. This review discusses the recent progress toward controlling electron beam distributions on the “mesoscopic” scale with an emphasis on shaping the beam or introducing complex correlations required for some applications. This review emphasizes experimental and theoretical developments of electron-bunch shaping methods based on bounded external electromagnetic fields or via interactions with the self-generated velocity and radiation fields.

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  • Received 23 April 2021

DOI:https://doi.org/10.1103/RevModPhys.94.025006

© 2022 American Physical Society

Physics Subject Headings (PhySH)

  1. Physical Systems
Accelerators & Beams

Authors & Affiliations

G. Ha, K.-J. Kim, J. G. Power*, and Y. Sun (孙银娥)

  • Argonne National Laboratory, Argonne, Illinois 60439, USA

P. Piot

  • Department of Physics and Northern Illinois Center for Accelerator and Detector Development, Northern Illinois University, DeKalb, Illinois 60115, USA and Argonne National Laboratory, Argonne, Illinois 60439, USA

  • *jp@anl.gov

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Vol. 94, Iss. 2 — April - June 2022

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