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Demonstration of an ultracompact THz-driven electron gun

  • W. Ronny Huang
  • , Arya Fallahi
  • , Xiaojun Wu
  • , Huseyin Cankaya
  • , Anne Laure Calendron
  • , Koustuban Ravi
  • , Dongfang Zhang
  • , Emilio A. Nanni
  • , Kyung Han Hong
  • , Franz X. Kartner
  • German Electron Synchrotron
  • Massachusetts Institute of Technology
  • University of Hamburg

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Over the past decades, advances in ultrafast technologies led to the generation of intense ultrashort THz to optical pulses with single-cycle pulse duration. Using such ultrashort pulses for electron acceleration offers advantages in terms of higher thresholds for material breakdown which opens up a promising path towards increased acceleration gradients. In this contribution, we present the first experimental demonstration of THz acceleration of electrons initially at rest. It is shown that strong-field, single-cycle THz fields accelerate electrons with peak energies of up to 0.8 keV in an ultracompact THz gun with bunch charge of 40 fC. The achieved energy spreads are as low as 5.8%.

Original languageEnglish
Title of host publication41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781467384858
DOIs
StatePublished - 28 Nov 2016
Externally publishedYes
Event41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 - Copenhagen, Denmark
Duration: 25 Sep 201630 Sep 2016

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume2016-November
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Conference

Conference41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Country/TerritoryDenmark
CityCopenhagen
Period25/09/1630/09/16

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