[1] Nikolaev A G, Oks E M, Savkin K P, et al. Upgraded vacuum arc ion source for metal ion implantation[J]. Review of Scientific Instruments, 83, 02A501(2012).

[2] MacGill R A, Dickinson M R, Brown I G. Vacuum arc ion sources-Micro to macro[J]. Review of Scientific Instruments, 67, 1210-1212(1996).

[3] [3] Dougherty R C, Rochau G E, Bickes R W Jr, et al. Neutron generat f twophase flow calibration: annual progress rept[R]. S782030, 1978.

[4] Rochau G E, Hornsby D R, Mareda J F, et al. A pulsed neutron generator for mass flow measurement using the pulsed neutron activation technique[J]. IEEE Transactions on Nuclear Science, 28, 1658-1660(1981).

[5] Shope L A, Berg R S, O'Neal M L, et al. Operation and life of the zetatron: a small neutron generator for borehole logging[J]. IEEE Transactions on Nuclear Science, 28, 1696-1699(1981).

[6] Dong Pan, Li Jie, Zheng Le, . Surface morphology analysis of TiH cathode in vacuum arc discharge[J]. High Power Laser and Particle Beams, 30, 014001(2018).

[7] Ehlers K W, Gow J D, Ruby L, et al. Development of an occluded-gas ion source[J]. Review of Scientific Instruments, 29, 614-619(1958).

[8] Bitulev A A, Churin S V, Shchitov N N, et al. Increasing the efficiency of ion sources of vacuum neutron tubes[J]. Atomic Energy, 118, 354-359(2015).

[9] Oks E M, Brown I G, Dickinson M R, et al. Elevated ion charge states in vacuum arc plasmas in a magnetic field[J]. Applied Physics Letters, 67, 200-202(1995).

[10] Frolova V P, Nikolaev A G, Oks E M, et al. Deuterium ions in vacuum arc plasma with composite gas-saturated zirconium cathode in a magnetic field[J]. Plasma Sources Science and Technology, 28, 075015(2019).

[11] Walko R J, Rochau G E. A high output neutron tube using an occluded gas ion source[J]. IEEE Transactions on Nuclear Science, 28, 1531-1534(1981).

[12] Lan Chaohui, Long Jidong, Zheng Le, et al. Characteristics of resistance triggering of a pulsed vacuum arc ion source[J]. Chinese Physics Letter, 32, 095201(2015).

[13] Yang Zhen, Long Jidong, Wang Xiaohu, et al. Ion beam profile diagnostic methods for vacuum arc ion source in sealed-tube neutron generator[J]. IEEE Transactions on Plasma Science, 43, 2070-2074(2015).

[14] Yang Zhen, Long Jidong, Lan Chaohui, . Exploratory research on off-line diagnosis method of ion beam profile[J]. High Power Laser and Particle Beams, 26, 044001(2014).