A method for generating double-ring-shaped vector beams
Chen Huan
1
, Ling Xiao-Hui
2
, Chen Zhi-Hong
1
, Li Qian-Guang
1
, Lv Hao
1
, Yu Hua-Qing
1
, Yi Xu-Nong
1, †,
Slow axis spatial distributions of the PBP elements with (a)
q
= 0.5, (b)
q
= 1.0, and (c)
q
= 1.5.