Huiling Wei, Jianyong Cao, Peixuan Yu, Guiqing Zou, Hongxia Zhou, Xianfu Yang, Bowen Zhou, Huaiyu Luo, Shaofei Geng. Development of ion source discharge chamber for the 5 MW neutral beam heating line on HL-2M device[J]. High Power Laser and Particle Beams, 2020, 32(4): 046001