Ultrafast Electron Microscopy Using Relativistic-Energy Femtosecond Electron Pulses

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  • 相対論的フェムト秒電子線パルスによる超高速電子顕微鏡の研究
  • ソウタイロンテキ フェムトビョウ デンシセン パルス ニ ヨル チョウコウソク デンシ ケンビキョウ ノ ケンキュウ

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Abstract

<p>An ultrafast detection technique on 100 fs time scales over sub-nanometer (even atomic) spatial dimensions has long been a goal for the scientists to reveal and understand the ultrafast structural-change induced dynamics in materials. In this paper, a technique of particle acceleration based radio-frequency (RF) electron gun, the generation of femtosecond electron pulses using the RF gun and the first prototype of femtosecond time-resolved relativistic-energy ultrafast electron microscopy (UEM) at Osaka University are reported. Finally, both relativistic-energy electron diffraction and image measurements in the UEM prototype are presented.</p>

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  • KENBIKYO

    KENBIKYO 50 (3), 156-159, 2015-12-30

    The Japanese Society of Microscopy

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