Han Sun, Yaxin Zhang, Kailong Wang, Yuncheng Zhao, Wei Kou, Shixiong Liang, Jiaguang Han, Ziqiang Yang, "Linear polarization conversion of transmitted terahertz wave with double-layer meta-grating surfaces," Chin. Opt. Lett. 16, 081601 (2018)
- Chinese Optics Letters
- Vol. 16, Issue 8, 081601 (2018)
Fig. 1. (a) Schematic of the sample used in the experiment. (b) The size parameters of the unit cell. (c) The photos of the manufactured metasurface. (d) The photos of the manufactured grating layer.
Fig. 2. (a) TDS experimental test system. (b) Time-domain waveform. (c) The FFT of the time-domain signal of the air sample, the cross-polarization coefficient (T x y T y y
Fig. 3. (a) Decomposition of the incident electric field vector E in. (b) The surface current distributions and field contours of modes A and B. (c) The transmission coefficients (S 21 E 1 E 2 T y y T x y
Fig. 4. (a) Scheme of the Fabry–Perot like resonance in the structure. (b) Cross-polarization conversion coefficients of the double-layer structure. (c) Cross-polarized transmission coefficients with different r
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