Zhou Tai-Dou, Liang Xiao-Bao, Li Chao, Huang Zhi-Hua, Feng Jian-Sheng, Zhao Lei, Wang Jian-Jun, Jing Feng. 2.5 kW average power, two-channel spectral-beam-combined output based on transmitting volume Bragg gratingJ. Acta Physica Sinica, 2017, 66(8): 084204. DOI: 10.7498/aps.66.084204