All-graphene geometric terahertz metasurfaces for generating multi-dimensional focused vortex beams
Hui Li, Chenglong Zheng, Hang Xu, Jie Li, Chunyu Song, Fan Yang, Jitao Li, Wei Shi, Yating Zhang, Jianquan Yao
Topics & Concepts
Polarization (electrochemistry)VortexTerahertz radiationPhysicsSuperposition principleOptical vortexOpticsGeometric phaseCircular polarizationTopological quantum numberTopology (electrical circuits)OptoelectronicsBeam (structure)Quantum mechanicsMathematicsMicrostripChemistryThermodynamicsCombinatoricsPhysical chemistryMetamaterials and Metasurfaces ApplicationsOrbital Angular Momentum in OpticsPlasmonic and Surface Plasmon Research