{"title":"Massenspektrographen mit korrigierten bildfehlern","authors":"L.A. König, H. Hintenberger","doi":"10.1016/0369-643X(58)90016-1","DOIUrl":null,"url":null,"abstract":"<div><p>The general expressions derived in a previous paper<sup>1</sup>) for second-order angle aberration, angle-velocity aberration, and velocity aberration of mass spectrometers consisting of a radial electric field and a homogeneous magnetic sector field in series, are developed for the special case of mass spectrographs with double focusing of the first order for all masses along a straight image curve. The possibilities for correcting these image defects are investigated. Tables are presented of solutions for apparatus types in which at one point of the image curve all three or two of the image defects simultaneously vanish. Almost each apparatus with simultaneous correction of the three image defects possesses a large radial field. On the other hand there are useful solutions according to which either the two image defects depending on aperture or the two depending on velocity vanish.</p><p>The numerical calculations were carried out by means of an IBM-magnetic-drum-computer, type 650. The computation procedure is outlined briefly.</p></div>","PeriodicalId":100970,"journal":{"name":"Nuclear Instruments","volume":"3 3","pages":"Pages 133-148"},"PeriodicalIF":0.0000,"publicationDate":"1958-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-643X(58)90016-1","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuclear Instruments","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0369643X58900161","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
The general expressions derived in a previous paper1) for second-order angle aberration, angle-velocity aberration, and velocity aberration of mass spectrometers consisting of a radial electric field and a homogeneous magnetic sector field in series, are developed for the special case of mass spectrographs with double focusing of the first order for all masses along a straight image curve. The possibilities for correcting these image defects are investigated. Tables are presented of solutions for apparatus types in which at one point of the image curve all three or two of the image defects simultaneously vanish. Almost each apparatus with simultaneous correction of the three image defects possesses a large radial field. On the other hand there are useful solutions according to which either the two image defects depending on aperture or the two depending on velocity vanish.
The numerical calculations were carried out by means of an IBM-magnetic-drum-computer, type 650. The computation procedure is outlined briefly.
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