Ultrafast Dynamics of Coulomb Electric Field Contraction by Relativistic Electron Bunch

被引：0

作者：

Nakajima, M. ^{[1
]}

Ota, M. ^{[1
]}

Kan, K. ^{[2
]}

Wang, Y. W. ^{[1
,4
]}

Agulto, V. C. ^{[1
]}

Kato, K. ^{[1
]}

Arikawa, Y. ^{[1
]}

Matsui, T. ^{[3
]}

Asakawa, M. R. ^{[4
]}

机构：

[1] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

[2] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

[3] Mie Univ, Dept Elect & Elect Engn, Tsu, Mie 5148507, Japan

[4] Kansai Univ, Fac Engn Sci, Suita, Osaka 5640073, Japan

来源：

2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ | 2023年

关键词：

GENERATION;

D O I：

10.1109/IRMMW-THz57677.2023.10298935

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In special relativity, the Lorentz transformation of electromagnetic potentials has never been directly demonstrated in experiments. Here, we show the spatiotemporal electric field profiles around a highly energetic electron beam with a sub-picosecond temporal resolution obtained by electro-optic sampling. We observe the Coulomb field contraction in the propagation direction of the beam under the Lorentz transformation. We investigated the dynamical behavior of the Coulomb field after passing the beam through a metallic plate. The contraction of the electric field around a beam of highly energetic electrons predicted by the special relativity is experimentally visualized for the first time.

引用

页数：2

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