Anomalous Terahertz Reflection and Scattering by Flexible and Conformal Coding Metamaterials

DOI Web Site Web Site 被引用文献2件
  • Lanju Liang
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Meiqing Qi
    State Key Laboratory of Millimeter Waves Southeast University Nanjing 210096 China
  • Jing Yang
    Institute of Modern Optics Nankai University Tianjin 300071 China
  • Xiaopeng Shen
    State Key Laboratory of Millimeter Waves Southeast University Nanjing 210096 China
  • Jiquan Zhai
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Weizong Xu
    School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Biaobing Jin
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Weiwei Liu
    Institute of Modern Optics Nankai University Tianjin 300071 China
  • Yijun Feng
    School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Caihong Zhang
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Hai Lu
    School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Hou‐Tong Chen
    Center for Integrated Nanotechnologies Materials Physics and Applications Division Los Alamos National Laboratory Los Alamos NM 87545 USA
  • Lin Kang
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Weiwei Xu
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Jian Chen
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Tie Jun Cui
    State Key Laboratory of Millimeter Waves Southeast University Nanjing 210096 China
  • Peiheng Wu
    Research Institute of Superconductor Electronics (RISE) School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
  • Shenggang Liu
    Cooperative Innovation Centre of Terahertz Science University of Electronic Science and Technology Chengdu 611731 China

書誌事項

公開日
2015-06-30
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/adom.201500206
公開者
Wiley

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説明

<jats:p>Arbitrary control of terahertz (THz) waves remains a significant challenge although it promises many important applications. Here, a method to tailor the reflection and scattering of THz waves in an anomalous manner by using 1‐bit coding metamaterials is presented. Specific coding sequences result in various THz far‐field reflection and scattering patterns, ranging from a single beam to two, three, and numerous beams, which depart obviously from the ordinary Snell's law of reflection. By optimizing the coding sequences, a wideband THz thin film metamaterial with extremely low specular reflection, due to the scattering of the incident wave into various directions, is demonstrated. As a result, the reflection from a flat and flexible metamaterial can be nearly uniformly distributed in the half space with small intensity at each specific direction, manifesting a diffuse reflection from a rough surface. Both simulation and experimental results show that a reflectivity less than −10 dB is achieved over a wide frequency range from 0.8 to 1.4 THz, and it is insensitive to the polarization of the incident wave. This work reveals new opportunities arising from coding metamaterials in effective manipulation of THz wave propagation and may offer widespread applications.</jats:p>

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