Ramberg, Edward G. RCA Laboratories, Princeton, New Jersey.
- Axially symmetric lenses
- Lenses of plane symmetry
- Additional Readings
An electrostatic field with axial or plane symmetry which acts upon beams of charged particles of uniform velocity as glass lenses act on light beams. The action of electrostatic fields with axial symmetry is analogous to that of spherical glass lenses, whereas the action of electrostatic fields with plane symmetry is analogous to that of cylindrical glass lenses. Plane symmetry as used here signifies that the electrostatic potential is constant along any normal to a family of parallel planes.
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