Origami‐Based Reconfigurable Metamaterials for Tunable Chirality
Abstract
Origami is the art of folding two‐dimensional (2D) materials, such as a flat sheet of paper, into complex and elaborate three‐dimensional (3D) objects. This study reports origami‐based metamaterials whose electromagnetic responses are dynamically controllable via switching the folding state of Miura‐ori split‐ring resonators. The deformation of the Miura‐ori unit along the third dimension induces net electric and magnetic dipoles of split‐ring resonators parallel or anti‐parallel to each other, leading to the strong chiral responses. Circular dichroism as high as 0.6 is experimentally observed while the chirality switching is realized by controlling the deformation direction and kinematics. In addition, the relative density of the origami metamaterials can be dramatically reduced to only 2% of that of the unfolded structure. These results open a new avenue toward lightweight, reconfigurable, and deployable metadevices with simultaneously customized electromagnetic and mechanical properties.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 08, 2017
- Source ID
- 10.1002/adma.201700412
Entities
People
- Bin Zheng
- Hongsheng Chen
- Kan Yao
- Kostas Soukoulis
- Liqiao Jing
- Yihao Yang
- Yongmin Liu
- Zuojia Wang
Organizations
- European Research Council
- Institute of Electronic Structure and Laser
- Iowa State University
- National Natural Science Foundation of China
- Northeastern University
- Office of Naval Research
- Shandong University
- United States Department of Energy
- Zhejiang University