Measurements of the Electric Field Distribution in High-power Diodes
- 11 August 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (6), 699-702
- https://doi.org/10.1103/PhysRevLett.57.699
Abstract
We have measured the electric field in the high-voltage gap of a magnetically insulated intense-ion-beam diode by observation of the Stark shift of line emission from ions accelerating in the gap. The electric field distribution as a function of distance from the anode plasma has been compared with a theoretical model and is not consistent with a well confined electron sheath near the cathode. Furthermore, a very rapid gap closure at early time in the pulse was clearly observed.Keywords
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