OOptics Express3d agoHollow Cubic-Phase Modulated Radial Coherent Beam Propagation in Atmospheric Turbulence: Emission Efficiency and Echo Enhancement with Cassegrain SystemJinhao Wang·LIN XUDONG·Yuyang Tan·Shi Hu·Zaixu Fang·Han Yao·Hui Li·X. F. Han·WU XIANLIN·LI MING·Jiahao BaiRead at Optics ExpressTagsOrbital Angular Momentum in OpticsAtomic and Molecular Physics, and Optics