Zone plate design for generating annular-focused beams
Yong Chen(陈勇), Lai Wei(魏来), Qiang-Qiang Zhang(张强强), Quan-Ping Fan(范全平), Zu-Hua Yang(杨祖华), Lei-Feng Cao(曹磊峰)
中国物理B . 2020, (10): 104202 .  DOI: 10.1088/1674-1056/ab9de4