Applied physics
No. 3, 2002

On spherical aberration of systems
of axisymmetric isotrajectory lenses

A.A. Matyshev

St.-Peterburg state technical university, St.-Peterburg, Russia

   The method of calculation of the 3-rd order spherical aberration of the pair of axisymmertic isotrajectory electric lenses is described.

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