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CEITEC VUT-DS148AAcad. year: 2025/2026
Advanced analysis of electron optical systems using the EOD software.
Expansion of the multipole potential, aberration polynomial, influence of aberrations on the wavefront, and probe. Diffraction integral.
Optimization of magnetic lens geometry, reduction of spherical and chromatic aberrations.
Multi-configuration – optimization of a lens operating in multiple imaging modes.
Dynamic corrections of the deflection system – coma, astigmatism, field curvature, and distortion.
Dynamic corrections of the deflection system.
Focusing effects of a strong dipole field – Wien filter.
Quadrupole and octupole fields – correction of spherical and chromatic aberration.
Quadrupole and octupole corrector for spherical and chromatic aberration.
Determination of aberrations of an imaging system by ray tracing – electron mirror.
Electron mirror.
Electron collision ion source.
Presentation of the individual project.
Language of instruction
Mode of study
Guarantor
Department
Entry knowledge
Fundamentals of Particle Optics. Trajectory Equation, Aberration Polynomial. Basic Skills in Using the EOD Software.
Rules for evaluation and completion of the course
Oral examination and presentation of the project. The student shows understanding of the topic.
Aims
Advanced use of EOD for the design of electron optical systems.
Study aids
Prerequisites and corequisites
Basic literature
Recommended reading