基于能量回收技术的光源——ERL光源  

Energy recovery linac light source

作　　者：黄森林[1,2] 刘克新 Huang Senlin;Liu Kexin(Institute of Heavy Ion Physics,School of Physics,Peking University,Beijing 100871,China;State Key Laboratory of Nuclear Physics and Technology,Beijing 100871,China)

机构地区：[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

出　　处：《强激光与粒子束》2022年第10期98-106,共9页High Power Laser and Particle Beams

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。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,lowemittance 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.

关 键 词：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 

分 类 号：TL53[核科学技术—核技术及应用]