{"title":"PPM聚焦电子束的实验评价","authors":"G. Dohler, W. Bowen, F. Scafuri, G. Groshart","doi":"10.1109/IEDM.1980.189873","DOIUrl":null,"url":null,"abstract":"To determine allowable tolerances in TWT manufacturing, a beam tester capable of mapping the beam automatically in three dimensions within the PPM stack has been made operational. Beam position and beam ripple have been measured as a function of beam injection eccentricity, gun tilt, and anode-to-barrel spacing. The influence of cross fields in the PPM stack appears to be severe. Correlation between experimental results and the two-dimensional Hermannsfeldt computer code predictions have been made.","PeriodicalId":180541,"journal":{"name":"1980 International Electron Devices Meeting","volume":"254 ","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Experimental evaluation of PPM focussed electron beams\",\"authors\":\"G. Dohler, W. Bowen, F. Scafuri, G. Groshart\",\"doi\":\"10.1109/IEDM.1980.189873\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"To determine allowable tolerances in TWT manufacturing, a beam tester capable of mapping the beam automatically in three dimensions within the PPM stack has been made operational. Beam position and beam ripple have been measured as a function of beam injection eccentricity, gun tilt, and anode-to-barrel spacing. The influence of cross fields in the PPM stack appears to be severe. Correlation between experimental results and the two-dimensional Hermannsfeldt computer code predictions have been made.\",\"PeriodicalId\":180541,\"journal\":{\"name\":\"1980 International Electron Devices Meeting\",\"volume\":\"254 \",\"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\":\"1980 International Electron Devices Meeting\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEDM.1980.189873\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1980 International Electron Devices Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEDM.1980.189873","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental evaluation of PPM focussed electron beams
To determine allowable tolerances in TWT manufacturing, a beam tester capable of mapping the beam automatically in three dimensions within the PPM stack has been made operational. Beam position and beam ripple have been measured as a function of beam injection eccentricity, gun tilt, and anode-to-barrel spacing. The influence of cross fields in the PPM stack appears to be severe. Correlation between experimental results and the two-dimensional Hermannsfeldt computer code predictions have been made.
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