Wu Yang, Xu Zhou, Xu Yong, Jin Xiao, Chang An-Bi, Li Zheng-Hong, Huang Hua, Liu Zhong, Luo Xiong, Ma Qiao-Sheng, Tang Chuan-Xiang. Experimental study on a high power microwave amplifier driven by low rf powerJ. Acta Physica Sinica, 2011, 60(4): 044102. DOI: 10.7498/aps.60.044102