全光逆康普顿散射源  

All-Optical Inverse Compton Scattering

作　　者：魏见萌 夏长权[3] 冯珂[2] 张虹[2] 姜海 葛彦杰 王文涛[2] 冷雨欣[2] 李儒新[2,4] Wei Jianmeng;Xia Changquan;Feng Ke;Zhang Hong;Jiang Hai;Ge Yanjie;Wang Wentao;Leng Yuxin;Li Ruxin(School of Physics Sciences,University of Science and Technology of China,Hefei 230026,Anhui,China;State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;School of Physical Science and Technology,Yangzhou University,Yangzhou 225009,Jiangsu,China;School of Physical Science and Technology,ShanghaiTech University,Shanghai 200031,China)

机构地区：[1]中国科学技术大学物理学院,安徽合肥230026 [2]中国科学院上海光学精密机械研究所,强场激光物理国家重点实验室,中国科学院超强激光科学卓越中心,上海201800 [3]扬州大学物理科学与技术学院,江苏扬州225009 [4]上海科技大学物质科学与技术学院,上海200031

出　　处：《光学学报》2024年第4期78-89,共12页Acta Optica Sinica

基　　金：国家自然科学基金(11675245)。

摘　　要：逆康普顿散射源是利用高能电子束和强激光对撞产生高能辐射的光源。传统电子加速器作为电子源的逆康普顿散射源体积庞大,难以推广。而新型的激光等离子体电子加速器具有更高的加速梯度,具备小型化的发展潜力。全光逆康普顿散射源就是一种基于激光等离子体电子加速器实现的小型化高能辐射源,具有更短脉宽、更高亮度的辐射输出,应用前景十分广阔。首先,总结了全光逆康普顿散射源在提高亮度、能量和单能性等方面的优化研究进展,并分析了设计重点;最后,介绍了全光逆康普顿散射源在基础科学研究、工业和生物医学领域的典型应用。Significance Inverse Compton scattering(ICS)sources can generate high-energy radiation and have significant applications in various fields.In traditional ICS light sources,the electron beams are primarily sourced from storage rings.Storage rings provide high repetition rate electron beams,operate stably,and allow for multiple collisions with lasers,making it easier to achieve higher photon flux and enhance the averageγ-ray flux.However,storage ring-based ICS devices cannot produce radiation with short duration,limiting their applications in ultrafast processes.In addition to storage ring electron accelerators,there are linear electron accelerators capable of providing high-brightness electron beams at high average currents.In recent years,with the continuous advancement of ultra-intense and ultra-short laser technology,ICS devices combining linear electron accelerators with ultra-intense and ultra-short lasers have begun to emerge.For example,the under-construction ELI-NP facility is based on this design and can generate X/γ-rays with shorter pulse widths,making it a highly promising source for ultra-short gamma radiation.However,both storage ring-based ICS devices and linear accelerator-based ones are costly.Furthermore,their bulky size limits their applications,particularly in desktop radiation sources.The progress in ultra-intense and ultra-short laser technology has propelled the development of laser plasma accelerators,especially laser Wakefield accelerators.Laser plasma accelerators offer a three-order-of-magnitude increase in acceleration gradient compared to traditional accelerators,significantly reducing the size of accelerators.Laser plasma accelerators open up a new technological pathway for highenergy radiation sources.Using electron beams generated by laser plasma accelerators for ICS enables all-optical inverse Compton scattering sources(AOCSs).The AOCS promotes the desktop applications of radiation sources and reduces their cost.Another prominent advantage of AOCSs compared to traditional acceler

关 键 词：超快激光 激光等离子体电子加速 全光逆康普顿散射源 新型辐射源 

分 类 号：O436[机械工程—光学工程]