Computer simulation of electron beams. II. Low-cost beam-current reconstruction | Zendy

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Computer simulation of electron beams. II. Low-cost beam-current reconstruction

Author(s) -

David Wolf

Publication year - 1985

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.335631

Subject(s) - discretization , current (fluid) , phase space , distortion (music) , current density , beam (structure) , space charge , computational physics , electron , cathode ray , phase (matter) , physics , computer science , optics , mathematics , mathematical analysis , nuclear physics , quantum mechanics , optoelectronics , amplifier , cmos , thermodynamics

Reconstruction of current density in electron beams is complicated by distortion of phase space which can require very fine discretization of the beam into trajectories. An efficient discretization of phase space is exploited, using conservation of charge and current in hypertriangle patches, to reconstruct the current density by fitting Gaussians through the distorted hypertriangles. Advantages and limitations are discussed.

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