Quadrupoles in Electron Lens Design

1. Introduction Peter Hawkes 2. Definitions, notation, and methods of analysis Peter Hawkes 3. Quadrupole potential functions Peter Hawkes 4. Quadrupole systems: Their suitability for specific tasks Peter Hawkes 5. Quadrupole data Peter Hawkes

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• Engenharia mecânica
• Processamento de sinais
• Dispositivos e materiais electrónicos

Aberration coefficients; Analog methods; Chromatic aberration correction; Curve-fitting; Geometrical aberration correction; In the preceding section, we discussed in largely qualitative terms the suitability of various quadrupole systems for particular roles. We now complement this quantitatively with a collection of graphs and tables, grouped according to the complexity of each system.; Isolated octopoles; Line images; Model potentials; Models; Octopoles; Quadruplets; Quadrupole multiplets; Quadrupoles; Quadrupoles as lenses; Relaxation; Round lenses; Single quadrupolesDoublets; Triplets