Weizhu Chen, Cuiling Zhang, Linjie Shao, Jingsuo He, Yan Zhang. Wide-Angle Reflector for Terahertz Waves Based on Metasurfaces[J]. Laser & Optoelectronics Progress, 2023, 60(18): 1811020
- Laser & Optoelectronics Progress
- Vol. 60, Issue 18, 1811020 (2023)
![[in Chinese]](/richHtml/lop/2023/60/18/1811020/img_01.jpg)
Fig. 1. [in Chinese]
Fig. 2. Reflectance and phase modulation of each unit structure at an operating frequency of 220 GHz
Fig. 3. Checkerboard combination of metasurfaces
Fig. 4. Simulation results of hyperstructured surface focusing. (a)‒(d) Results under incidence angles of terahertz waves of 45°, 30°, 15°, and 9°, respectively
Fig. 5. Hyperstructured surface sample. (a) Local image of the hyperstructured surface sample; (b) experimental facility diagram
Fig. 6. Focusing signal power corresponding to different terahertz wave incidence angles
Fig. 7. Signal power corresponding to different positions of the signal receiving end
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