Numerical simulation of three-dimensional fields of electron lens with deviated aperture in color picture tube

Kan Mi; Jian Sun; Yufeng Fan

doi:10.1117/12.319680

18 August 1998 Numerical simulation of three-dimensional fields of electron lens with deviated aperture in color picture tube

Kan Mi, Jian Sun, Yufeng Fan

Author Affiliations +

Proceedings Volume 3560, Display Devices and Systems II; (1998) https://doi.org/10.1117/12.319680
Event: Photonics China '98, 1998, Beijing, China

Abstract

In this paper a simple method--surface-charge density method combined with multipole-field-expansion method--were developed to simulate the 3D electrostatic fields in the main lens with deviated aperture in color picture tube. Distributions of rotationally symmetric field, dipole field, quadrupole and sextupole field in different zone in main focusing lens were offered and the aberrations in our model were also discussed. This method appears to be promising for analyzing the relationship between the multipole fields and aberrations for more complicated electron optics systems.

Citation Download Citation

Kan Mi, Jian Sun, and Yufeng Fan "Numerical simulation of three-dimensional fields of electron lens with deviated aperture in color picture tube", Proc. SPIE 3560, Display Devices and Systems II, (18 August 1998); https://doi.org/10.1117/12.319680

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