Design of Free - Distortion and Rotation Magnetic Lens | ||
| Journal of University of Babylon | ||
| Article 1, Volume 22, Issue 9, December 2014, Pages 2529-2525 | ||
| Author | ||
| Ban Ali Naser | ||
| Abstract | ||
| In this present work, an investigation of a magnetic projector lens with tapered- cylindrical pole pieces has been designed and constructed, consisting of two double magnetic lenses. By using this lens a rotation and distortion free images have been obtained, after the electron-optical properties have been computed by computational programs which were previously prepared. Results indicated the possibility of designing such a lens to give rotation and distortion free images to be used in Transmission Electron Microscopes (TEM) over a wide range of accelerating voltages | ||
| Keywords | ||
| Electron Optics; Magnetic Lenses; Aberrations | ||
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