{"title":"在可变形网格上分析交叉场炮","authors":"R. True","doi":"10.1109/IEDM.1978.189380","DOIUrl":null,"url":null,"abstract":"The principles of a method for the solution of electron optics problems in crossed electric and magnetic fields are described in this paper. The numerical procedure makes possible design and evaluation of crossed-field guns and focusing systems with a high degree of accuracy and resolution. Unlike other procedures, the space within the problem boundaries is filled with a computer-generated network of irregular triangles resembling a stretched fishnet on which Poisson's equation is solved. A novel approach is used in the near-cathode region leading to a substantial improvement in the accuracy of results in general.","PeriodicalId":164556,"journal":{"name":"1978 International Electron Devices Meeting","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Crossed-field guns analyzed on a deformable mesh\",\"authors\":\"R. True\",\"doi\":\"10.1109/IEDM.1978.189380\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The principles of a method for the solution of electron optics problems in crossed electric and magnetic fields are described in this paper. The numerical procedure makes possible design and evaluation of crossed-field guns and focusing systems with a high degree of accuracy and resolution. Unlike other procedures, the space within the problem boundaries is filled with a computer-generated network of irregular triangles resembling a stretched fishnet on which Poisson's equation is solved. A novel approach is used in the near-cathode region leading to a substantial improvement in the accuracy of results in general.\",\"PeriodicalId\":164556,\"journal\":{\"name\":\"1978 International Electron Devices Meeting\",\"volume\":\"30 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1978 International Electron Devices Meeting\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEDM.1978.189380\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1978 International Electron Devices Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEDM.1978.189380","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The principles of a method for the solution of electron optics problems in crossed electric and magnetic fields are described in this paper. The numerical procedure makes possible design and evaluation of crossed-field guns and focusing systems with a high degree of accuracy and resolution. Unlike other procedures, the space within the problem boundaries is filled with a computer-generated network of irregular triangles resembling a stretched fishnet on which Poisson's equation is solved. A novel approach is used in the near-cathode region leading to a substantial improvement in the accuracy of results in general.
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