激光等离子体尾波加速器的发展和展望

陈民; 刘峰; 李博原; 翁苏明; 陈黎明; 盛政明; 张杰

doi:10.11884/HPLPB202032.200174

激光等离子体尾波加速器的发展和展望

doi: 10.11884/HPLPB202032.200174

陈民^{1, 2,},
刘峰^{1, 2},
李博原^{1, 2},
翁苏明^{1, 2},
陈黎明^{1, 2},
盛政明^{1, 2},
张杰^{1, 2}

1.
上海交通大学物理与天文学院，激光等离子体教育部重点实验室，上海 200240
2.
上海交通大学IFSA协同创新中心，上海 200240

基金项目: 国家自然科学基金项目（11991070，11721091，11774227）

详细信息

作者简介:
陈　民（1979—），男，博士，教授，从事激光等离子体物理研究；minchen@sjtu.edu.cn

中图分类号: O539
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- 被引次数: 0
出版历程
- 收稿日期: 2020-05-18
- 修回日期: 2020-07-26
- 刊出日期: 2020-08-15

Development and prospect of laser plasma wakefield accelerator

Chen Min^{1, 2
,},
Liu Feng^{1, 2},
Li Boyuan^{1, 2},
Weng Suming^{1, 2},
Chen Liming^{1, 2},
Sheng Zhengming^{1, 2},
Zhang Jie^{1, 2}

1.
Key Laboratory for Laser Plasmas (MoE) and School of Physics and Astronomy, Shanghai Jiaotong University, Shanghai 200240, China
2.
Collaborative Innovation Center of IFSA, Shanghai Jiaotong University, Shanghai 200240, China

摘要

摘要: 超强激光在气体等离子体中传输时可以激发出大振幅的电子等离子体尾波。激光等离子体尾波加速器是利用该尾波对带电粒子（特别是电子和正电子）进行加速的一种新型装置。由于其加速梯度相较于现有的常规加速器可以提升1000倍，为建造超紧凑型的加速器和辐射源奠定了基础，也为将来建造基于等离子体的超高能正负电子对撞机和自由电子激光装置提供了可能。对该新型加速器的原理、特点、发展历程，尤其是近十年来的主要进展和未来发展趋势及面临的主要挑战进行简要梳理和介绍。
- 激光等离子体 /
- 激光加速 /
- 激光等离子体尾波 /
- 超紧凑型加速器 /
- 新型辐射源
Abstract: An ultra-short ultra-intense laser can excite high-amplitude electron plasma waves or so called laser wakefields when it propagates in under-dense gas plasma. A laser wakefield accelerator makes use of such waves to accelerate charged particles (especially electrons and positrons). These plasma waves can sustain longitudinal acceleration fields over three orders of magnitude higher than conventional radio frequency accelerators. This new type of laser-driven plasma-based accelerator opens the way for compact particle accelerators and radiation sources. It also has the potential to be applied for the construction of future ultra-high energy TeV electron-positron colliders and free electron lasers. In this paper, the principle, characteristics and development history of this new accelerator, especially the main progress in the past ten years, the future development trend and the main challenges will be briefly reviewed and introduced.
- laser plasma /
- laser acceleration /
- laser wakefield /
- ultracompact accelerator /
- novel radiation source

HTML全文

图 1 激光等离子体尾波加速原理示意图

Figure 1. Schematic of laser plasma wakefield acceleration

The background color represents the distribution of plasma electrons with red ones showing the highest density and black ones showing the lowest density. The dashed arrows show the directions of the longitudinal and transverse electric fields.

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图 2 电子能谱

Figure 2. Energy spectra

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图 3 激光等离子体尾波的成像探测

Figure 3. Detected image of laser plasma wakefield (Figures are from reference [32] and Matlis N H，et al. Nat Phys，2006，2：749 and Zhang C，et al. Phys Rev Lett，2017，119：064801 and Zhang C，et al. Plasma Phys Controlled Fusion，2018，60：044013）

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图 4 用于激光尾波加速研究的实验装置

Figure 4. Laser and target systems for laser wakefield acceleration studies

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