What people are saying - Write a review
We haven't found any reviews in the usual places.
FUNDAMENTAL FEATURES AND BASIC TECHNIQUES
ELECTRON OPTICAL INSTRUMENTS 375
THE FACTORS WHICH GOVERN THE RESOLVING POWER IN ELECTRON
19 other sections not shown
aberration coefficients angle angular aperture anode aperture astigmatism axis beam calculate cardinal elements cathode central electrode centre chromatic aberration coil component consider constant convergent coordinates corresponding cross-section crossover current density curvature curve cylinder defined diaphragm distance divergent effect eikonal electric field electrolytic electrolytic tank electron optics electrostatic lenses emission equations of motion equipotentials example expression Fermat's principle fluorescent focal length foci focus formula function Gaussian optics geometrical given Glaser glass optics grid Grivet hence immersion objective induction integration intersect ions Laplace equation lens magnetic field magnetic lenses magnification measured meridian plane method microscope obtain optical properties parallel particles Phys pole-pieces potential distribution principal planes prism produced quadrupole radial radius rays refractive index region represents rotation screen Septier solenoid solution space charge spherical aberration surface symmetry three-electrode trajectory translation symmetry vector potential velocity wire zero