Numerical Study of Angle-Insensitive and Tunable Dual-Band THz Absorber Using Periodic Cross-Shaped Graphene Arrays Sang, Tian ; Gao, Jian ; Wang, La ; Qi, Honglong ; Yin, Xin ; Wang, Yueke Abstract Publication: Materials Pub Date: June 2019 DOI: 10.3390/ma12132063 Bibcode: 2019Mate...12.2063S