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Proceedings Paper

Calculation of electrostatic mirrors free of spherical and chromatic aberrations
Author(s): S. B. Bimurzaev; G. S. Serikbaeva; E. M. Yakushev
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Paper Abstract

Calculation formulas for the coefficients of the spherical and axial chromatic aberrations in the rotatory-symmetry electrostatic electron mirror are derived. A technique for elimination of the higher-order derivatives of the mirror system potential axial distribution out of integrands is presented. By means of numerical calculations, conditions for parallel elimination of the spherical and axial chromatic aberrations in the three- and four-electrode electrostatic mirrors composed of coaxial cylindrical of the same diameter are found. Principal layout of the dark-field image transmission electron microscope with the electrostatic electron mirror as the objective lens is given.

Paper Details

Date Published: 1 April 2003
PDF: 7 pages
Proc. SPIE 5025, Fifth Seminar on Problems of Theoretical and Applied Electron and Ion Optics, (1 April 2003); doi: 10.1117/12.497600
Show Author Affiliations
S. B. Bimurzaev, Kazakh State National Univ. (Kazakhstan)
G. S. Serikbaeva, Kazakh State National Univ. (Kazakhstan)
E. M. Yakushev, Kazakh State National Univ. (Kazakhstan)


Published in SPIE Proceedings Vol. 5025:
Fifth Seminar on Problems of Theoretical and Applied Electron and Ion Optics
Anatoly M. Filachev, Editor(s)

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