Fundamentals for a terahertz-driven electron gun

Simon Lehnskov Lange, Filip D. Olsen, Krzysztof Iwaszczuk, Peter Uhd Jepsen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

We present simulations showing how metallic dipole structures can be used as a fundamental platform for electron field emission (EFE) enabled by a strong terahertz (THz) transient. We present space-time mapping of the ultrafast dynamics of EFE with an approximately free-standing dipole versus two dipoles placed with a small gap in between. We conclude that it is possible to make ultra-bright electron bunches shorter than 1 ps and accelerate them to the low keV range over 15 mu m using only a single THz transient. Our results are fundamental to understand and build a THz-driven electron gun.
Original languageEnglish
Title of host publicationProceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices
PublisherIEEE
Publication date2017
Pages197-198
ISBN (Print)9781509053230
DOIs
Publication statusPublished - 2017
Event17th International Conference on Numerical Simulation of Optoelectronic Devices - Technical University of Denmark, Lyngby, Denmark
Duration: 24 Jul 201728 Jul 2017
Conference number: 17

Conference

Conference17th International Conference on Numerical Simulation of Optoelectronic Devices
Number17
LocationTechnical University of Denmark
CountryDenmark
CityLyngby
Period24/07/201728/07/2017

Keywords

  • ,

Cite this

Lange, S. L., Olsen, F. D., Iwaszczuk, K., & Jepsen, P. U. (2017). Fundamentals for a terahertz-driven electron gun. In Proceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices (pp. 197-198). IEEE. https://doi.org/10.1109/NUSOD.2017.8010059
Lange, Simon Lehnskov ; Olsen, Filip D. ; Iwaszczuk, Krzysztof ; Jepsen, Peter Uhd. / Fundamentals for a terahertz-driven electron gun. Proceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices . IEEE, 2017. pp. 197-198
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Lange, SL, Olsen, FD, Iwaszczuk, K & Jepsen, PU 2017, Fundamentals for a terahertz-driven electron gun. in Proceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices . IEEE, pp. 197-198, 17th International Conference on Numerical Simulation of Optoelectronic Devices, Lyngby, Denmark, 24/07/2017. https://doi.org/10.1109/NUSOD.2017.8010059

Fundamentals for a terahertz-driven electron gun. / Lange, Simon Lehnskov; Olsen, Filip D.; Iwaszczuk, Krzysztof; Jepsen, Peter Uhd.

Proceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices . IEEE, 2017. p. 197-198.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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T1 - Fundamentals for a terahertz-driven electron gun

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AB - We present simulations showing how metallic dipole structures can be used as a fundamental platform for electron field emission (EFE) enabled by a strong terahertz (THz) transient. We present space-time mapping of the ultrafast dynamics of EFE with an approximately free-standing dipole versus two dipoles placed with a small gap in between. We conclude that it is possible to make ultra-bright electron bunches shorter than 1 ps and accelerate them to the low keV range over 15 mu m using only a single THz transient. Our results are fundamental to understand and build a THz-driven electron gun.

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Lange SL, Olsen FD, Iwaszczuk K, Jepsen PU. Fundamentals for a terahertz-driven electron gun. In Proceedings of 2017 17th International Conference on Numerical Simulation of Optoelectronic Devices . IEEE. 2017. p. 197-198 https://doi.org/10.1109/NUSOD.2017.8010059