2 August 2000 Electron-beam multicharge ion source IMI-2
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Proceedings Volume 4187, Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics; (2000) https://doi.org/10.1117/12.394161
Event: Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics, 1999, Moscow, Russian Federation
Abstract
The main parameters of the electron beam multicharge ion source IMI-2 are given. Experimental results are also given. The IMI-2 electron-beam system (EBS) includes a short-focus electron gyn with a spherical cathode of diameter 16 mm and curvature radius of 9.5 mm. The perveance of the gun is 1,6 (mu) A/V3/2. The electron beam current can reach 2.5 A. An electrostatic and magnetic beam compression of ~103 allows one to obtain a density of the electron beam of not less than ~103 A/cm2 on a 30 cm length. A specific method of dosed injection of the atoms of solid-state elements to an ion trap by means of local pulse deflection of the electron beam was used in the facility 1. The electron-beam ion source (EBIS) IMI-2, Fig. 1, has a vertical design with an electron gun in the top section. The electron gun is mounted in a vacuum chamber of diameter 160 mm and length 500 mm. The vacuum chamber having a drift structure is inside the classical water-cooled solenoid with a completely closed magnetic circuit. An electron collector, an ion line, and a magnetic analyzer are located in the lower section of the facility. Like IMI-1 7-9, IMI-2 2-6 was also designed at the Budker Institute of Nuclear Physics for production of multicharge beams of gaseous and solid elements. In the EBS parameters, IMI-2 is intermediate between first-generation EBIS and those that can be used at acceleration complexes developed at the present time.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
V. G. Abdul'manov, V. G. Abdul'manov, E. N. Dement'ev, E. N. Dement'ev, E. G. Miginskaya, E. G. Miginskaya, L. A. Mironenko, L. A. Mironenko, O. V. Pirogov, O. V. Pirogov, V. P. Tomilov, V. P. Tomilov, V. M. Tsukanov, V. M. Tsukanov, } "Electron-beam multicharge ion source IMI-2", Proc. SPIE 4187, Fourth All-Russian Seminar on Problems of Theoretical and Applied Electron Optics, (2 August 2000); doi: 10.1117/12.394161; https://doi.org/10.1117/12.394161
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