Table 1.

Optimal cylinder radius for different access waveguide widths, as well as the corresponding equivalent path length and total transmission loss. It can be seen that both the equivalent path length and total transmission loss are nearly constant at optimal radius.

d [um]	R [mm]	TL [dB]	Leq [cm]
100	1.4	7.5	3.4
200	2.0	7.4	3.5
300	2.6	7.6	3.8
400	3.0	7.6	3.9