Electrostatic lens of new type field emission gun
Abstract
The construction and calculation results of a hyperboloidal field of unipotential electrostatic lens with low spherical aberration is presented, by which the performance of the electron optical system of the field emission gun can be easily improved.
- Publication:
-
China Rept Sci Technol JPRS CST
- Pub Date:
- March 1986
- Bibcode:
- 1986ChRST......112T
- Keywords:
-
- Crossed Field Guns;
- Electrostatics;
- Field Emission;
- Lens Design;
- Magnetic Lenses;
- Aberration;
- Cathodes;
- Coefficients;
- Construction;
- Focusing;
- Communications and Radar