基于能量回收技术的光源——ERL光源

黄森林; 刘克新

doi:10.11884/HPLPB202234.220076

基于能量回收技术的光源——ERL光源

doi: 10.11884/HPLPB202234.220076

黄森林^{1, 2,},
刘克新^{1, 2}

1.
北京大学物理学院重离子物理研究所，北京 100871
2.
核物理与核技术国家重点实验室，北京 100871

详细信息

作者简介:
黄森林，huangsl@pku.edu.cn

中图分类号: TL53
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- 被引次数: 0
出版历程
- 收稿日期: 2022-03-19
- 修回日期: 2022-06-19
- 网络出版日期: 2022-06-27
- 刊出日期: 2022-08-22

Energy recovery linac light source

Huang Senlin^{1, 2
,},
Liu Kexin^{1, 2}

1.
Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
2.
State Key Laboratory of Nuclear Physics and Technology, Beijing 100871, China

摘要

摘要: 能量回收技术将使用后的电子束进行能量回收，用于加速后续束团，可大大减少加速器消耗的射频功率和有害辐射。基于能量回收技术的光源除节能环保外，还具有束团短、发射度低的特点，可有效提高光源的峰值亮度和相干性，是一种很有潜力的未来先进光源。介绍能量回收直线加速器技术的基本原理、相关关键物理问题和技术以及能量回收直线加速器发展现状，最后简要介绍几个国际上提出的典型能量回收直线加速器光源方案。
- 能量回收 /
- 束流崩溃效应 /
- 强流注入器 /
- 强流超导腔 /
- 能量回收直线加速器光源
Abstract: Energy recovery linacs recapture the energy of the used electron beam into the electromagnetic field in RF cavities for subsequent acceleration, which can greatly reduce both the RF power supply required for high current acceleration and harmful radiation from the dumped beam. In addition to a high energy efficiency and reduced radiation from the dump, energy recovery linac light sources have the advantage of providing short-bunch, low-emittance electron beams for emitting high-brightness, highly coherent photons. These characteristics make them a very promising candidate for future advanced light source. This paper presents an introduction to energy recovery linacs, with the emphasis on basic principles and the most important physics and technical problems, as well as the activities in developing energy recovery linac facilities around the world. A brief introduction to some representative schemes of energy recovery linac light source is presented in the end.
- energy recovery /
- beam break-up /
- high-current injector /
- high-current SRF cavity /
- energy recovery linac light source

HTML全文

图 1 能量回收光源装置示意图^[7]

Figure 1. A sketch of energy recovery linac light source^[7]

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图 2 能量回收直线加速器实验装置的典型并束结构

Figure 2. Typical mergers for energy recovery linac test facility

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图 3 CSR引起的发射度增长及补偿方法示意图^[12]

Figure 3. Schematics of CSR induced emittance growth and compensation method^[12]

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图 4 BBU效应示意图^[13]

Figure 4. Schematic diagram of BBU effect ^[13]

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图 5 JLab ERL装置示意图^[29]

Figure 5. Schematic layout of JLab ERL facility ^[29]

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