High efficiency and broad bandwidth terahertz vortex beam generation based on ultra-thin transmission Pancharatnam-Berry metasurfaces
Wenyu Li(李文宇), Guozhong Zhao(赵国忠), Tianhua Meng(孟田华), Ran Sun(孙然), and Jiaoyan Guo(郭姣艳)
High efficiency and broad bandwidth terahertz vortex beam generation based on ultra-thin transmission Pancharatnam-Berry metasurfaces
Wenyu Li(李文宇), Guozhong Zhao(赵国忠), Tianhua Meng(孟田华), Ran Sun(孙然), and Jiaoyan Guo(郭姣艳)
中国物理B . 2021, (5): 58103 -058103 .  DOI: 10.1088/1674-1056/abd75c