Zichao Fan, Hao Tan, Yan Mo, Haibo Wang, Lujia Zhao, Huiru Ji, Zhiyu Jiang, Ruyi Peng, Liping Fu, Donglin Ma. Design theory and method of off-axis four-mirror telescope for space-based gravitational-wave mission[J]. Opto-Electronic Engineering, 2023, 50(11): 230194-1