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Terahertz-driven linear electron acceleration

Open access
Nanni, Emilio A., Huang, Wenqian R., Hong, Kyung-Han, Ravi, Koustuban, Fallahi, Arya, Moriena, Gustavo, Dwayne Miller, R. J., Kärtner, Franz X.·2015·Nature Communications

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.

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Metadata

Authors
Nanni, E. A., Huang, W. R., Hong, K.-H., Ravi, K., Fallahi, A., Moriena, G., Dwayne Miller, R. J., & Kärtner, F. X.
Venue
Nature Communications
Published
2015-10-06
Volume
6
Issue
1
Pages
8486-8486
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2113925307
Cited by
615
References
2
FWCI
26.62
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Terahertz-driven linear electron acceleration. https://app.cochat.ai/papers/10.1038/ncomms9486
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Nanni, E. A., Huang, W. R., Hong, K.-H., Ravi, K., Fallahi, A., Moriena, G., Dwayne Miller, R. J., & Kärtner, F. X. (2015). Terahertz-driven linear electron acceleration. Nature Communications. https://doi.org/10.1038/ncomms9486

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