Shi Peng-Fei, Ma Xin-Ying, Xiang Chuan, Zhao Hong-Ge, Li Yuan, Gao Ren-Jing, Liu Shu-Tian. Topology optimization design of dual-channel metasurface structure with controllable amplitude of retroreflection and mirror reflectionJ. Acta Physica Sinica, 2023, 72(24): 247801. DOI: 10.7498/aps.72.20230775