Calculation of electric fields by digital computer

Galloway, R.H.; Ryan, H. M.; Scott, M.F.

doi:10.1049/piee.1967.0159

Cited by 28 publications

(1 citation statement)

References 4 publications

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“…The operation of the analyser was thoroughly investigated theoretically by Salmon [7]. First, the potential distribution within the analyser was obtained t o an accuracy of better than 1% by means of the numerical equations of Galloway et al [8]. The values were then used in conjunction with a numerical solution of the electron trajectory equation which was not limited to paraxial electrons.…”

Section: Methodsmentioning

confidence: 99%

Energy distribution of electrons field-emitted from cadmium sulphide

Salmon

Braun

1973

Phys. Stat. Sol. (a)

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A retarding potential analyser was used to investigate the energy distribution of electrons field‐emitted from cadmium sulphide. The analyser was thoroughly investigated theoretically and tested by obtaining accepted values for the energy distribution from tungsten. A somewhat unusual secondary electron correction procedure was used. The results from cadmium sulphide were found to be of two kinds: with a single peak or with two peaks. The latter occurred only from insufficiently cleaned tips. The experimental distributions for clean CdS were of ≈0.6 eV half‐width, which is considerably broader than predicted by theory. The width of the experimental distributions is a function of the emitted current density but the limiting value of the width could always be obtained. Some suggestions for a theoretical interpretation are put forward.

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Section: Methodsmentioning

confidence: 99%

Energy distribution of electrons field-emitted from cadmium sulphide

Salmon

Braun

1973

Phys. Stat. Sol. (a)

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Design of uniform electric field exposure system for biological experiments

Kobayashi

Matsumoto

Nishiyama

et al. 1981

Electron. Comm. Jpn. Pt. I

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In recent years, an interaction between electromagnetic environment and the living body has attracted researchers' attention. The authors have studied the effect of low‐frequency (50, 60 Hz and dc) electric field on the living body and constructed the electric field exposure system. In the conventional exposure system, animals are exposed to electric field between parallel plate electrodes in an insulated cage. However, the electric field inside the cage has not been investigated in detail. In this paper, the electric field intensity and the field uniformity inside the cage are analyzed. Based on the analysis result, a new exposure system is designed. The electric field distribution inside the cage is analyzed by the finite‐difference method. The field uniformity is more than 84%. The measured value agrees with the calculated value. The new system is simple in structure, can readily be constructed and is reliable for a long time.

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