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Dongfang Zhang, Tobias Kroh, Felix Ritzkowsky, Timm Rohwer, Moein Fakhari, Huseyin Cankaya, Anne-Laure Calendron, Nicholas H. Matlis, Franz X. Kärtner. 2021: THz-Enhanced DC Ultrafast Electron Diffractometer. 超快科学, 2021(1). doi: 10.34133/2021/9848526
引用本文: Dongfang Zhang, Tobias Kroh, Felix Ritzkowsky, Timm Rohwer, Moein Fakhari, Huseyin Cankaya, Anne-Laure Calendron, Nicholas H. Matlis, Franz X. Kärtner. 2021: THz-Enhanced DC Ultrafast Electron Diffractometer. 超快科学, 2021(1). doi: 10.34133/2021/9848526
Dongfang Zhang, Tobias Kroh, Felix Ritzkowsky, Timm Rohwer, Moein Fakhari, Huseyin Cankaya, Anne-Laure Calendron, Nicholas H. Matlis, Franz X. Kärtner. 2021: THz-Enhanced DC Ultrafast Electron Diffractometer. Ultrafast Science, 2021(1). doi: 10.34133/2021/9848526
Citation: Dongfang Zhang, Tobias Kroh, Felix Ritzkowsky, Timm Rohwer, Moein Fakhari, Huseyin Cankaya, Anne-Laure Calendron, Nicholas H. Matlis, Franz X. Kärtner. 2021: THz-Enhanced DC Ultrafast Electron Diffractometer. Ultrafast Science, 2021(1). doi: 10.34133/2021/9848526

THz-Enhanced DC Ultrafast Electron Diffractometer

doi: 10.34133/2021/9848526
基金项目: 

This work has been supported by the European Research Council under the European Union’s Seventh Framework Programme (FP7/2007-2013) through the Synergy Grant AXSIS (609920), Project KA908-12/1 of the Deutsche Forschungsgemeinschaft, the Cluster of Excellence “CUI: Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG)—EXC 2056—project ID 390715994, and the Accelerator on a Chip Program (ACHIP) funded by the Gordon and Betty Moore Foundation (GBMF4744).

详细信息
    通讯作者:

    Correspondence should be addressed to Franz X. Kärtner

THz-Enhanced DC Ultrafast Electron Diffractometer

Funds: 

This work has been supported by the European Research Council under the European Union’s Seventh Framework Programme (FP7/2007-2013) through the Synergy Grant AXSIS (609920), Project KA908-12/1 of the Deutsche Forschungsgemeinschaft, the Cluster of Excellence “CUI: Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG)—EXC 2056—project ID 390715994, and the Accelerator on a Chip Program (ACHIP) funded by the Gordon and Betty Moore Foundation (GBMF4744).

  • 摘要:

    Terahertz- (THz-) based electron manipulation has recently been shown to hold tremendous promise as a technology for manipulating and driving the next generation of compact ultrafast electron sources. Here, we demonstrate an ultrafast electron diffractometer with THz-driven pulse compression. The electron bunches from a conventional DC gun are compressed by a factor of 10 and reach a duration of ~180 fs (FWHM) with 10,000 electrons/pulse at a 1 kHz repetition rate. The resulting ultrafast electron source is used in a proof-of-principle experiment to probe the photoinduced dynamics of single-crystal silicon. The THz-compressed electron beams produce high-quality diffraction patterns and enable the observation of the ultrafast structural dynamics with improved time resolution. These results validate the maturity of THz-driven ultrafast electron sources for use in precision applications.

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出版历程
  • 收稿日期:  2021-04-11
  • 修回日期:  2021-06-25
  • 刊出日期:  2021-08-11

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