The Linac Coherent Light Source II photoinjector laser infrastructure  

作　　者：Hao Zhang Sasha Gilevich Alan Miahnahri Shawn Christopher Alverson Axel Brachmann Joseph Duris Paris Franz Alan Fry Jack Hirschman Kirk Larsen Randy Lemons Siqi Li Brittany Lu Agostino Marinelli Mikael Martinez Justin May Erel Milshtein Krishna Murari Nicole Neveu Joseph Robinson John Schmerge Linshan Sun Theodore Vecchione Chengcheng Xu Feng Zhou Sergio Carbajo 

机构地区：[1]SLAC National Accelerator Laboratory,Stanford University,Menlo Park,California,USA [2]Department of Electrical and Computer Engineering,University of California Los Angeles,Los Angeles,California,USA [3]Department of Applied Physics,Stanford University,Stanford,California,USA [4]Physics and Astronomy Department,University of California Los Angeles,Los Angeles,California,USA

出　　处：《High Power Laser Science and Engineering》2024年第4期113-129,共17页高功率激光科学与工程（英文版）

基　　金：the support from the SLAC National Accelerator Laboratory,the U.S.Department of Energy(DOE),the Office of Science,Office of Basic Energy Sciences under Contract No.DE-AC02-76SF00515,No.DE-SC0022559,No.DE-SC0022464,No.DE-FOA0002859;the National Science Foundation under Contract No.2231334;the U.S.Department of Defense under a National Defense Science and Engineering Fellowship。

摘　　要：This paper presents a comprehensive technical overview of the Linac Coherent Light Source II(LCLS-II)photoinjector laser system,its first and foremost component.The LCLS-II photoinjector laser system serves as an upgrade to the original LCLS at SLAC National Accelerator Laboratory.This advanced laser system generates high-quality laser beams for the LCLS-II,contributing to the instrument's unprecedented brightness,precision and flexibility.Our discussion extends to the various subsystems that comprise the photoinjector,including the photocathode laser,laser heater and beam transport systems.Lastly,we draw attention to the ongoing research and development infrastructure underway to enhance the functionality and efficiency of the LCLS-II,and similar X-ray free-electron laser facilities around the world,thereby contributing to the future of laser technology and its applications.

关 键 词：high-intensity lasers high-power lasers Linac Coherent Light Source II photoinjector temporal and spatial shaping ultrafast X-ray science X-ray free-electron lasers 

分 类 号：TL53[核科学技术—核技术及应用] TN248[电子电信—物理电子学]