Manipulation on Amplitude of Anomalous Refraction in Staggered Terahertz V-Shaped Metasurface

Yun Wang; Shaohua Zhang; Yun Shen; Xiaohua Deng; Xiaoqing Luo

doi:10.3788/AOS202040.0713001

Journals >Acta Optica Sinica >Volume 40 >Issue 7 >Page 0713001 > Article

Acta Optica Sinica
Vol. 40, Issue 7, 0713001 (2020)

Manipulation on Amplitude of Anomalous Refraction in Staggered Terahertz V-Shaped Metasurface

Yun Wang¹, Shaohua Zhang¹, Yun Shen^2、3、**, Xiaohua Deng^3、*, and Xiaoqing Luo⁴

Author Affiliations

¹School of Materials Science and Engineering, Nanchang University, Nanchang, Jiangxi 330031, China

²Department of Physics, Nanchang University, Nanchang, Jiangxi 330031, China

³Institute of Space Science and Technology, Nanchang University, Nanchang, Jiangxi 330031, China

⁴Key Laboratory of Terahertz Solid-State Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China

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DOI: 10.3788/AOS202040.0713001 Cite this Article Set citation alerts

Yun Wang, Shaohua Zhang, Yun Shen, Xiaohua Deng, Xiaoqing Luo. Manipulation on Amplitude of Anomalous Refraction in Staggered Terahertz V-Shaped Metasurface[J]. Acta Optica Sinica, 2020, 40(7): 0713001 Copy Citation Text

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$Schematic of periodic supercell unit (inset I) as well as cross-polarized scattering phase and transmittance for 4.3 THz incident light. Phase distribution simulation of anomalous refraction at 4.3 THz is shown in inset II$

Fig. 1. Schematic of periodic supercell unit (inset I) as well as cross-polarized scattering phase and transmittance for 4.3 THz incident light. Phase distribution simulation of anomalous refraction at 4.3 THz is shown in inset II

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$Metasurface structures (top) and corresponding electric field distributions of abnormally refracted cross-polarized light in x direction (bottom). Staggered distance: (a)(e) 0; (b)(f) 1/4 period; (c)(g) 2/4 period; (d)(h) 3/4 period$

Fig. 2. Metasurface structures (top) and corresponding electric field distributions of abnormally refracted cross-polarized light in x direction (bottom). Staggered distance: (a)(e) 0; (b)(f) 1/4 period; (c)(g) 2/4 period; (d)(h) 3/4 period

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Fig. 3. Micrograph of V-shaped staggered metasurface structure

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$Normalized transmission curves corresponding to Figs. 3 (a)--(d). Illustration I is partial magnification of anomalous refractive transmission$

Fig. 4. Normalized transmission curves corresponding to Figs. 3 (a)--(d). Illustration I is partial magnification of anomalous refractive transmission

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