Scheme for generating 1 nm X-ray beams carrying orbital angular momentum at the SXFEL

• 作 者: He-Ping Geng Jian-Hui Chen Zhe
• 机 构: ChineseAcademyofSciences,UniversityofChineseAcademyofSciences,ChineseAcademyofSciences
• 出 处: 核技术:英文版
• 发表日期: 2020年9期
• 关键词: X-RAY Orbital angular momentum(OAM) Synchrotron light source Free-electron laser
• 基金项目: supported by the National Development and Reform Commission(20132347),National Basic Research Program of China(No.2015CB859700)

Optical vortices have the main features of helical wavefronts and spiral phase structures,and carry orbital angular momentum.This special structure of visible light has been produced and studied for various applications.These notable characteristics of ph