Dragon-I injector based on the induction voltage adder technique

The Dragon-I injector based on the induction voltage adder technique is introduced. Twelve ferrite loaded induction cells are connected in a series through central conducting stalks to achieve a pulsed voltage higher than 3.5 MV across the diode. Electrons are extracted from the velvet emitter and g...

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Published inPhysical review special topics. PRST-AB. Accelerators and beams Vol. 9; no. 8; p. 080401
Main Authors Kaizhi, Zhang, Long, Wen, Hong, Li, Zhiyong, Dai, Wendou, Wang, Wenwei, Zhang, Meng, Wang, Jin, Li, Anming, Yang, Yutong, Xie, Sifu, Chen, Huacen, Wang, Guangsen, Dai, Jinshui, Shi, Linwen, Zhang, Jianjun, Deng, Bonan, Ding
Format Journal Article
LanguageEnglish
Published College Park American Physical Society 01.08.2006
Subjects
Anodes
Electric fields
Electric potential
Electron beams
Electrons
Emittance
Injectors
Magnets
Shrouds
Voltage
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Summary:The Dragon-I injector based on the induction voltage adder technique is introduced. Twelve ferrite loaded induction cells are connected in a series through central conducting stalks to achieve a pulsed voltage higher than 3.5 MV across the diode. Electrons are extracted from the velvet emitter and guided through the anode pipe by the magnets placed inside the cathode and anode shrouds. Measurements at the exit of injector show that, with an electric field of 200kV/cm near the velvet surface and suitable magnetic field distribution, an electron beam up to 2.8 kA can be obtained with a normalized emittance of 1040πmmmrad , and energy spread of 2.1% (3σ ) around the central energy of 3.5 MeV.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.9.080401