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
, Liang Xian-Ting1, Zhang Xian-Peng2, Lu Yue-Hui2, ‡, , Lee Young-Pak3, Rhee Joo-Yull4, Song Wei-Jie2 Experimental schematic of (a) FlexMetaF and (b) FlexMetaB under bending strain. The corresponding measured transmission spectra of (c) FlexMetaF and (d) FlexMetaB under the bending strain varying from 0 to 6.41‰. Inset: zoom-in view of the strain-induced resonances under the various bending strains.
