Bao-Qin Lin, Lin-Tao Lv, Jian-Xin Guo, Zu-Liang Wang, Shi-Qi Huang, Yan-Wen Wang. Ultra-wideband linear-to-circular polarization conversion metasurface[J]. Chinese Physics B, 2020, 29(10):
- Chinese Physics B
- Vol. 29, Issue 10, (2020)
Fig. 1. Unit cell of proposed polarization conversion metasurface: (a) three-dimensional (3D) view, and (b) top view.
Fig. 2. Simulated results of proposed polarization conversion metasurface undeer y -polarized normal incidence: (a) phase difference Δ φyx between rxy and ryy and (b) magnitude of rxy and ryy .
Fig. 3. Axial ratio of reflected wave under y -polarized normal incidence.
Fig. 4. (a) LTC reflection coefficients and (b) polarization conversion rate (PCR) of proposed polarization conversion metasurface under y -polarized normal incidence.
Fig. 5. Intuitive schematic diagram of phase difference between co- and cross-polarization reflection coefficients under x - and y -polarized incidences.
Fig. 6. Simulated results of proposed polarization conversion metasurface under u - and v -polarized normal incidences: (a) phase difference between ruu and rvv , (b) magnitudes and (c) phases of ruu and rvv , (d) axial ratio (AR) of the reflected wave.
Fig. 7. (a) Photographs of experimental sample, (b) schematic diagram of measurement setup, and (c) measured results: axial ratio (AR) of reflected wave under x - and y -polarized incidences.
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