Origin of strain-induced resonances in flexible terahertz metamaterials
Sun Xiu-Yun1, Zheng Li-Ren2, Li Xiao-Ning1, Xu Hua1, †, , Liang Xian-Ting1, Zhang Xian-Peng2, Lu Yue-Hui2, ‡, , Lee Young-Pak3, Rhee Joo-Yull4, Song Wei-Jie2
       

Representation of the unit cell of (a) FlexMetaF and (b) FlexMetaB. The geometric parameters are L = 30 μm, S = 12 μm, G1 = G2 = W = 6 μm, Px = 96 μm, and Py = 66 μm. The electric field component of THz waves is along the y direction.