Lu Zhou, Guozhong Zhao, Yonghua Li. Broadband Terahertz Polarization Converter Based on L-Shaped Metamaterial[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041602
- Laser & Optoelectronics Progress
- Vol. 55, Issue 4, 041602 (2018)
Fig. 1. Unit cell of polarization converter based on metamaterial. (a) Side view; (b) front view
Fig. 2. (a) Co-polarization reflection coefficient rxx, cross-polarization reflection coefficient ryx, and (b) PCR of polarization converter
Fig. 3. PCR of polarization converters with different numbers of L-shaped patches
Fig. 4. ryx, rxx, and their corresponding relative phase Δφyx versus frequency. (a) Full figure; (b) partial figure
Fig. 5. Simulated results of (a) ryx and (b) rxx under different incident angles
Fig. 6. Current distributions at front metal and bottom metal plate. (a) 0.689 THz; (b) 0.924 THz
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