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太赫兹加速——开启紧凑加速器的新途径

THz-driven acceleration——A new way to start compact accelerator

  • 摘要: 太赫兹电子加速技术是近年来先进加速原理的研究热点和前沿之一,有望为未来高品质加速器的小型化提供新思路。自2015年E.A.Nanni成功完成了太赫兹加速的原理性验证实验后,太赫兹电子枪、太赫兹电子加速、太赫兹束流操控及诊断技术取得了巨大的突破,国内外多家单位都深入开展了太赫兹加速的物理与技术研究,并规划建造基于太赫兹加速技术的紧凑型加速器装置。文章将简述太赫兹电子加速的物理原理、关键技术、研究现状以及其所推动的相关应用研究。

     

    Abstract: Terahertz (THz)-driven electron acceleration is now an emerging direction for developing compact high-brightness particle accelerators. Following the experimental demonstration of THz acceleration by Nanni et al in 2015, great progress has been made in the development of THz-driven electron guns, THz-driven acceleration, and THz-based beam manipulation and diagnostics. Research activities related to the physics and technology of THz acceleration are being actively pursued worldwide. Several compact accelerators based on this unique technology have been proposed and are now under construction. This review will focus on the development of THz-driven electron acceleration over the past decades as well as its technical challenges and related applications.

     

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