High-accuracy cathode-current calculations in computer simulations of electron guns
- 1 January 1975
- journal article
- Published by Institution of Engineering and Technology (IET) in Proceedings of the Institution of Electrical Engineers
- Vol. 122 (6) , 620-624
- https://doi.org/10.1049/piee.1975.0169
Abstract
The outline of a method of electron-gun iterative analysis by computer is given, with particular emphasis on improved methods for cathode-current-density calculations. It is shown how the effects of cathode curvature, magnetic fields at the cathode surface, etc. can be taken into account in estimating the emission currents. Numerical results are compared with those of several previously-published computer analyses. It is also shown how 4th-order correction terms can be included in the finite-difference equations to improve the accuracy of results obtained using coarser meshes.Keywords
This publication has 1 reference indexed in Scilit:
- A NEW TYPE OF CROSSED-FIELD ELECTRON GUNPublished by Elsevier ,1961