THz-driven Electron Bunch Compression and Timing Jitter Reduction for Relativistic Ultrafast Electron Diffraction Measurements

ORAL

Abstract

We discuss the results of a THz-driven electron bunch compression experiment in which interaction between a quasi-single-cycle THz pulse and a relativistic electron beam in a parallel plate waveguide produced a beam energy chirp for velocity bunching. Measurements at the SLAC MEV-UED facility show a simultaneous reduction in the bunch length and timing jitter by up to a factor of 3, improving the overall timing resolution for applications like ultrafast electron diffraction and other beam-based ultrafast measurements. This technique employs unique advantages of all-optical beam manipulation, including the inherent synchronization which allows the compensation of electron beam timing jitter and the high field gradient which enables efficient chirping of the electron beam in a sub-millimeter interaction region.

*This research has been supported by the U.S. Department of Energy (DOE) under Contract No. DE-C02-76SF00515. The SLAC MeV-UED program is supported in part by DOE Basic Energy Sciences (BES) Scientific User Facilities Division and SLAC UED/UEM program development: DE-AC02-05CH11231. M. K. and M. C. H. are supported by the DOE Office of Science, BES, award no. 2015-SLAC100238-Funding.

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Presenters

  • Emma Snively

    • SLAC
    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory

Authors

  • Emma Snively

    • SLAC
    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory

  • Mohamed A. K. Othman

    • SLAC - Natl Accelerator Lab

  • Michael E. Kozina

    • SLAC - Natl Accelerator Lab

  • Benjamin K Ofori-Okai

    • SLAC - Natl Accelerator Lab

  • Stephen P. Weathersby

    • SLAC - Natl Accelerator Lab

  • Suji Park

    • SLAC - Natl Accelerator Lab

  • Xiaozhe Shen

    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
    • SLAC National Accelerator Laboratory

  • Xijie Wang

    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
    • SLAC National Accelerator Laboratory

  • Matthias C. Hoffmann

    • SLAC - Natl Accelerator Lab

  • Renkai Li

    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
    • Tsinghua University

  • Emilio Nanni

    • SLAC National Accelerator Laboratory, Stanford University
    • SLAC
    • SLAC - Natl Accelerator Lab
    • SLAC National Accelerator Laboratory