[2] [2] LIU Y, LI K, JIA Y T, et al. Wideband RCS reduction of a slot array antenna using polarization conversion metasurfaces[J]. IEEE Transactions on Antennas and Propagation, 2016, 64(1): 326-331.

[3] [3] PAN W, SHEN D J, YAN Y J. Design of broadband polarization converter for terahertz waves[J]. Optoelectronics Letters, 2018, 14(6): 434-437.

[4] [4] JIA Y T, LIU Y, GUO Y J, et al. A dual-patch polarization rotation reflective surface and its application to ultra-wideband RCS reduction[J]. IEEE Transactions on Antennas and Propagation, 2017, 65(6): 3291-3295.

[5] [5] IBRAHIM M S, MAHOUD A, AWAMRY A, et al. Wideband anisotropic unit cell design for perfect cross-polarization conversion[C]//IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 7-12, 2019, Atlanta, USA. New York: IEEE, 2019: 1831-1832.

[6] [6] PAN W, REN X Y, CHEN Q, et al. A broadband terahertz quarter wave plate based on asymmetric cross slots[J]. Optoelectronics Letters, 2019, 15(5): 352-355.

[7] [7] ZHANG W, LI J Y, XIE J. A broadband linear-to-circular transmission polarizer based on right-angled frequency selective surfaces[J]. International Journal of Antennas and Propagation, 2017, 2017: 8067574.

[8] [8] LIN C X, GE Y H, BIRD T S, et al. Circularly polarized horns based on standard horns and a metasurface polarizer[J]. IEEE Antennas and Wireless Propagation Letters, 2018, 17(3): 480-484.

[10] [10] GAO X, YANG W L, MA H F, et al. A reconfigurable broadband polarization converter based on an active metasurface[J]. IEEE Transactions on Antennas and Propagation, 2018, 66(11): 6086-6095.

[11] [11] ZHENG Q, GUO C J, DING J. Wideband metasurface-based reflective polarization converter for linear-to-linear and linear-to-circular polarization conversion[J]. IEEE Antennas and Wireless Propagation Letters, 2018, 17(8): 1459-1463.

[13] [13] AHMED F, HASSAN T, TAMOOR T, et al. A multi-functional metasurface for polarization transformation applications[C]//IEEE International Symposium on Antennas and Propagation, July 5-10, 2020, Montreal, Canada. New York: IEEE, 2020: 20371925.

[15] [15] SHUKOOR M A, DEY S. A simple I-shaped wideband linear-linear and linear-circular reflective type polarizer[C]//19th IEEE International Symposium on Antenna Technology and Applied Electromagnetics, August 8-11, 2021, Winnipeg, Canada. New York: IEEE, 2021: 21128412.