A broadband, polarisation-insensitive and wide-angle coplanar terahertz metamaterial absorberBen-Xin Wang, Ling-Ling Wang, Gui-Zhen Wang, Wei-Qing Huang, Xiao-Fei Li and Xiang ZhaiEur. Phys. J. B, 87 4 (2014) 98DOI: https://doi.org/10.1140/epjb/e2014-41072-y