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Beam Properties,erested in the behavior of the charged-particle beam, which represents an ensemble of trajectories. In most cases, one characterizes the beam by its current and mean energy .. However, these quantities do not suffice to describe its focusing properties, which strongly depend on the emission characte连系 发表于 2025-3-22 20:55:45
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Correction of Aberrations,definite integrand of the integrals of the coefficients of spherical and chromatic aberration does not suffice to draw conclusions about the performance of round lenses. Although we cannot nullify the aberration coefficients, it may be possible to minimize the aberrations by skillful design to such创新 发表于 2025-3-23 01:38:38
Electron Mirrors,g the optic axis. Usually, the optic axis is chosen to coincide with the central trajectory of a bundle of rays regardless of whether this trajectory is straight or curved. We have replaced derivatives with respect to the time in the path equation and in the Lagrange function by derivatives with resPerceive 发表于 2025-3-23 07:24:52
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