Du Chao-Hai, Li Zheng-Di, Xue Zhi-Hao, Liu Pu-Kun, Xue Qian-Zhong, Zhang Shi-Chang, Xu Shou-Xi, Geng Zhi-Hui, Gu Wei, Su Yi-Nong, Liu Gao-Feng. Research on the mode competition in a w-band lossy ceramic-loaded gyrotron backward-wave oscillatorJ. Acta Physica Sinica, 2012, 61(7): 070703. DOI: 10.7498/aps.61.070703