Tunable terahertz focused vector vortex beam generation enabled by cascaded metasurfaces
Hui Li, Tong Nan, Wenhui Xu, Jie Li, Chenglong Zheng, Qi Tan, Chunyu Song, Hang Xu, Yan Zhang, Jianquan Yao
Topics & Concepts
Terahertz radiationOpticsBeam (structure)VortexPhysicsTerahertz metamaterialsOptoelectronicsFar-infrared laserLaserThermodynamicsOrbital Angular Momentum in OpticsMetamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon Research