Xia Qianxu, Zhao Quantang, Zong Yang, Cao Shuchun, Li Zhongping, Shen Xiaokang, Zhan Zimin
{"title":"325 MHz射频栅控高压热离子阴极电子枪的设计","authors":"Xia Qianxu, Zhao Quantang, Zong Yang, Cao Shuchun, Li Zhongping, Shen Xiaokang, Zhan Zimin","doi":"10.11884/HPLPB202133.200310","DOIUrl":null,"url":null,"abstract":"The electron gun with high repetition rate and high average current has a very wide range of applications. This paper presents the design of a microwave grid-controlled high-voltage thermionic electron gun working in CW mode with a bunch repetition rate of 325 MHz and elaborates the experimental principles of this kind of electron guns. Firstly, simulation software EGUN, POISSON (Poisson Superfish) and GPT (General Particle Tracer) are used to accomplish the structure design of a300kV high-voltage DC electron gun and beam dynamics verification.Secondly, to feed the microwave into the gap between the cathode and the grid of the electron gunefficiently, design of a power supply with a scheme of impedance matching from the radio frequency power source to the cathode is completed.Accordingly, a 325 MHz dual-mode coaxial power supply device is designed, and its feasibility is verified and analyzed..","PeriodicalId":39871,"journal":{"name":"强激光与粒子束","volume":"33 1","pages":"044009-1-044009-7"},"PeriodicalIF":0.0000,"publicationDate":"2021-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Design of 325 MHz RF grid-controlled high voltage thermionic cathode electron gun\",\"authors\":\"Xia Qianxu, Zhao Quantang, Zong Yang, Cao Shuchun, Li Zhongping, Shen Xiaokang, Zhan Zimin\",\"doi\":\"10.11884/HPLPB202133.200310\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The electron gun with high repetition rate and high average current has a very wide range of applications. This paper presents the design of a microwave grid-controlled high-voltage thermionic electron gun working in CW mode with a bunch repetition rate of 325 MHz and elaborates the experimental principles of this kind of electron guns. Firstly, simulation software EGUN, POISSON (Poisson Superfish) and GPT (General Particle Tracer) are used to accomplish the structure design of a300kV high-voltage DC electron gun and beam dynamics verification.Secondly, to feed the microwave into the gap between the cathode and the grid of the electron gunefficiently, design of a power supply with a scheme of impedance matching from the radio frequency power source to the cathode is completed.Accordingly, a 325 MHz dual-mode coaxial power supply device is designed, and its feasibility is verified and analyzed..\",\"PeriodicalId\":39871,\"journal\":{\"name\":\"强激光与粒子束\",\"volume\":\"33 1\",\"pages\":\"044009-1-044009-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-05-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"强激光与粒子束\",\"FirstCategoryId\":\"1089\",\"ListUrlMain\":\"https://doi.org/10.11884/HPLPB202133.200310\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Engineering\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"强激光与粒子束","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.11884/HPLPB202133.200310","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Engineering","Score":null,"Total":0}
Design of 325 MHz RF grid-controlled high voltage thermionic cathode electron gun
The electron gun with high repetition rate and high average current has a very wide range of applications. This paper presents the design of a microwave grid-controlled high-voltage thermionic electron gun working in CW mode with a bunch repetition rate of 325 MHz and elaborates the experimental principles of this kind of electron guns. Firstly, simulation software EGUN, POISSON (Poisson Superfish) and GPT (General Particle Tracer) are used to accomplish the structure design of a300kV high-voltage DC electron gun and beam dynamics verification.Secondly, to feed the microwave into the gap between the cathode and the grid of the electron gunefficiently, design of a power supply with a scheme of impedance matching from the radio frequency power source to the cathode is completed.Accordingly, a 325 MHz dual-mode coaxial power supply device is designed, and its feasibility is verified and analyzed..
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