Magnetic Electron LensesP. W. Hawkes |
Contents
Magnetic Lens Theory | 1 |
References | 51 |
Magnetic Field Calculation and the Determination of Electron | 57 |
Copyright | |
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aberration coefficients alignment ampere-turns angle aperture applied approximation asymptotic axial flux density bore boundary calculated chromatic aberration conical corresponding cross-section curve cylindrical Dâ‚‚ diameter electron lens Electron Microscopy electron optical employed equation factor ferromagnetic field strength flange formulae function gap width GLASER half-width integral lens axis lens coil lens core lens current lens design lens field lens strength magnetic circuit magnetic electron magnetic field magnetic flux density magnetic lenses magnetic potential magnetomotive force magnification mesh points method Mulvey objective lens obtained Optik parameters paraxial permanent magnet permanent-magnet permeance Phys piece plane pole pole-piece lens pole-piece system position potential Proc projector focal length projector lens properties quadrupole radial ring rotation rotationally symmetric Ruska saturation Schematic shown single pole-piece solution space spherical aberration spiral distortion stigmator stray field superconducting surface temperature trajectory tube values W.D. Riecke winding