Design of Distortion and Rotation Free Double gaps Electromagnetic Lenses | |
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( Volume 2 Issue 7,July 2016 ) OPEN ACCESS | |
Author(s): | |
Ban Ali Naser, Talib Mohsen Abbass | |
Abstract: | |
In this research, a theoretical computational investigation for studying the analysis method for possibility to produce magnetic lens of free from a rotation and distortion. The doublet projector magnetic lens with cylindrical pole pieces has been designed. The radial and spiral distortions have been corrected by using this lens , after the magnetic field has been computed, by the use of computer programs based on the finite element method (FEM),this magnetic field has been used for calculation the projector focal properties for this lens. Where, a rotation and distortion free images have been obtain by suitable choice of the ratios values of gaps and bores of first lens and second lens. |
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