Studies on the Effect of Pole Piece Shape for Saturated Single Pole Magnetic Lens

S. S. EL-Shahat, A. S.A. Al Amir, G. S. Hassan

Abstract


Magnetic electron objective lens is of a great importance for electron microscope intended for high resolution. The present work investigates the objective properties of a single pole piece magnetic lens with different pole piece shapes. The results indicate that the lens with a spherical pole – face has the best resolution.

Keywords: Finite element method; objective magnetic lenses; aberration PACS: 41.85


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DOI: http://dx.doi.org/10.0001/(aj).v3i0.709

DOI (PDF): http://dx.doi.org/10.0001/(aj).v3i0.709.g861

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