1994•Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topicsRequires access

Radial focusing of a relativistic electron beam in a bipotential electrostatic lens

T. C. Genoni

Abstract

The focusing of a relativistic electron beam in a bipotential electrostatic lens is discussed. An iterative scheme for the solution of the paraxial ray equation is used to derive approximate analytic formulas for the lens parameters and lens transfer matrix elements. The formulas are compared to results of direct numerical integration of the paraxial ray equation.

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Available abstract

Key concepts: Paraxial approximation, Physics, Electrostatic lens, Lens (geology), Relativistic electron beam, Beam (structure), Electron, Optics