Figure 5

OT versus transverse position y for the four different excitation ways. (a) Port 1 is excited. (b) Ports 1 & 2 are excited. (c) Ports 1 & 3 are excited. (d) Ports 1 & 4 are excited.
OT versus transverse position y for the four different excitation ways. (a) Port 1 is excited. (b) Ports 1 & 2 are excited. (c) Ports 1 & 3 are excited. (d) Ports 1 & 4 are excited.