Zhou Li-Dan, Su Jing-Qin, Li Ping, Liu Lan-Qin, Wang Wen-Yi, Wang Fang, Mo Lei, Cheng Wen-Yong, Zhang Xiao-Min. Power spectral density method of defects on optical elements of high-power laser facility and its equivalent algorithmJ. Acta Physica Sinica, 2009, 58(9): 6279-6284. DOI: 10.7498/aps.58.6279