Two-dimensional coding phase gradient metasurface for RCS reduction

被引：73

作者：

Feng, Maochang ^{[1
]}

Li, Yongfeng ^{[1
]}

Zheng, Qiqi ^{[1
]}

Zhang, Jieqiu ^{[1
]}

Hang, Yajuan ^{[2
]}

Wang, Jiafu ^{[1
]}

Chen, Hongya ^{[1
]}

Sai, Sui ^{[1
]}

Ma, Hua ^{[1
]}

Qu, Shaobo ^{[1
]}

机构：

[1] Air Force Engn Univ, Xian 710051, Shaanxi, Peoples R China

[2] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Shaanxi, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2018年 / 51卷 / 37期

基金：

中国国家自然科学基金;

关键词：

coding metasurface; coding elements; coding sequence; RCS reduction; META-SURFACES; REFLECTION; SCATTERING; REFRACTION; INDEX;

D O I：

10.1088/1361-6463/aad5ad

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A two-dimensional (2D) coding phase gradient metasurface (CPGM) is proposed for radar cross section (RCS) reduction in this work. The 2D phase gradient super cell is employed to serve as the coding element. The primary pattern of the coding element will be modulated by the designed 2D phase gradient. Thus, a more flexible method of scattering manipulation will be achieved by both the 2D phase gradient and coding sequences. The specific scattering patterns of the 2D CPGM under the modulation of phase gradient and coding sequence were analyzed. A controllable backward diffusion scattering coding phase gradient metasurface was realized based on Pancharatnam-Berry phase by modulating both the phase gradient and coding sequence. Both simulated and measured results demonstrate its excellent performance on RCS reduction.

引用

页数：6

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