Figure 2
(a) Normalized spiral spectrum of OAM modes generated by UCA1×7; (b) phase pattern of mode l = 3; (c) phase pattern of mode l = −3.
Figure 2 | Scientific Reports
(a) Normalized spiral spectrum of OAM modes generated by UCA1×7; (b) phase pattern of mode l = 3; (c) phase pattern of mode l = −3.
