Meng Xiang-Hao, Liu Hua-Gang, Huang Jian-Hong, Dai Shu-Tao, Deng Jing, Ruan Kai-Ming, Chen Jin-Ming, Lin Wen-Xiong. Tunable deep ultraviolet femtosecond sum frequency laser based on Ba1-xB2-y-zO4SixAlyGaz crystalJ. Acta Physica Sinica, 2015, 64(16): 164205. DOI: 10.7498/aps.64.164205