Focusing of THz waves with a microsize parabolic reflector made of graphene in the free spaceTaner Oguzer, Ayhan Altintas and Alexander I. NosichJ. Eur. Opt. Soc.-Rapid Publ., 13 1 (2017) 16DOI: https://doi.org/10.1186/s41476-017-0041-0
