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Terahertz-driven linear electron acceleration

Author

Listed:
  • Emilio A. Nanni

    (Research Laboratory of Electronics, Massachusetts Institute of Technology)

  • Wenqian R. Huang

    (Research Laboratory of Electronics, Massachusetts Institute of Technology)

  • Kyung-Han Hong

    (Research Laboratory of Electronics, Massachusetts Institute of Technology)

  • Koustuban Ravi

    (Research Laboratory of Electronics, Massachusetts Institute of Technology)

  • Arya Fallahi

    (Center for Free-Electron Laser Science and The Hamburg Center for Ultrafast Imaging
    Deutsches Elektronen Synchrotron)

  • Gustavo Moriena

    (University of Toronto)

  • R. J. Dwayne Miller

    (Deutsches Elektronen Synchrotron
    University of Toronto
    Max Planck Institute for the Structure and Dynamics of Matter)

  • Franz X. Kärtner

    (Research Laboratory of Electronics, Massachusetts Institute of Technology
    Center for Free-Electron Laser Science and The Hamburg Center for Ultrafast Imaging
    Deutsches Elektronen Synchrotron
    University of Hamburg)

Abstract

The cost, size and availability of electron accelerators are dominated by the achievable accelerating gradient. Conventional high-brightness radio-frequency accelerating structures operate with 30–50 MeV m−1 gradients. Electron accelerators driven with optical or infrared sources have demonstrated accelerating gradients orders of magnitude above that achievable with conventional radio-frequency structures. However, laser-driven wakefield accelerators require intense femtosecond sources and direct laser-driven accelerators suffer from low bunch charge, sub-micron tolerances and sub-femtosecond timing requirements due to the short wavelength of operation. Here we demonstrate linear acceleration of electrons with keV energy gain using optically generated terahertz pulses. Terahertz-driven accelerating structures enable high-gradient electron/proton accelerators with simple accelerating structures, high repetition rates and significant charge per bunch. These ultra-compact terahertz accelerators with extremely short electron bunches hold great potential to have a transformative impact for free electron lasers, linear colliders, ultrafast electron diffraction, X-ray science and medical therapy with X-rays and electron beams.

Suggested Citation

  • Emilio A. Nanni & Wenqian R. Huang & Kyung-Han Hong & Koustuban Ravi & Arya Fallahi & Gustavo Moriena & R. J. Dwayne Miller & Franz X. Kärtner, 2015. "Terahertz-driven linear electron acceleration," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9486
    DOI: 10.1038/ncomms9486
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    Cited by:

    1. John H. Gaida & Hugo Lourenço-Martins & Sergey V. Yalunin & Armin Feist & Murat Sivis & Thorsten Hohage & F. Javier García de Abajo & Claus Ropers, 2023. "Lorentz microscopy of optical fields," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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