Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/62245
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dc.titleGeneral condition for moving objective lens (MOL) with combined electrostatic and magnetic fields
dc.contributor.authorZhao, Y.
dc.contributor.authorKhursheed, A.
dc.date.accessioned2014-06-17T06:48:57Z
dc.date.available2014-06-17T06:48:57Z
dc.date.issued1999
dc.identifier.citationZhao, Y.,Khursheed, A. (1999). General condition for moving objective lens (MOL) with combined electrostatic and magnetic fields. Optik (Jena) 110 (12) : 563-568. ScholarBank@NUS Repository.
dc.identifier.issn00304026
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/62245
dc.description.abstractThis paper presents a theoretical study on the Moving Objective Lens (MOL) for general focusing and deflection system with combined electrostatic and magnetic fields. A general MOL condition is derived from the paraxial ray equation instead of from conventional field expansions. Conditions are predicated for hybrid-field MOLs in which the focusing and deflection fields are of different type. A test system consisting of a magnetic with bell-shaped axial field distribution and in-lens electrostatic deflectors is used to analyze the characteristics of the hybrid-field MOL. Third order geometrical and first order chromatic aberrations are also studied in comparison with its pure-field counterpart. Based upon these results, some applications of the hybrid-field MOL concept are recommended.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL ENGINEERING
dc.description.sourcetitleOptik (Jena)
dc.description.volume110
dc.description.issue12
dc.description.page563-568
dc.description.codenOTIKA
dc.identifier.isiutNOT_IN_WOS
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