Ultramicroscopy
Ultramicroscopy
5 years ago

Third-rank chromatic aberrations of electron lenses

In this paper the third-rank chromatic aberration coefficients of round electron lenses are analytically derived and numerically calculated by Mathematica. Furthermore, the numerical results are cross-checked by the diferential algebraic (DA) method, which verifies that all the formulas for the third-rank chromatic aberration coefficients are completely correct. It is hoped that this work would be helpful for further chromatic aberration correction in electron microscopy.

Publisher URL: www.sciencedirect.com/science

DOI: S0304399117303200

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