A Thin and Broadband Linear-to-Circular Polarizer Based on Grid-Patch Structure for Ku-Band

Table 3

Comparisons between the proposed structure and some other reported linear-to-circular polarizer.

Ref. work	Layer	Bandwidth	Oblique performance
[3]	1	21%	N/A
[10]	3 (0.31λc)	40.5%	±45
[11]	3 (0.33λc)	>35%	±45
[5]	5	40%	±45
[6]	5	19.6%	±50
[7]	5	4.8%	±70
Our work	3 (0.28λc)	44.6%	±50