Abstract

The influence of magnetic fields on dielectric surface breakdown voltages for space conditions (pressure in the range of 10-7 to 10-2 Torr, background plasma, and UV illumination) is investigated, both for DC and pulsed voltages as well as DC and pulsed magnetic fields, including conditions for magnetic self insulation. DC conditions are susceptible to corona-type discharges with major influences of magnetic fields on discharge paths and geometry. For pulsed volt-ages, insulation effects dependent on the polarity of the magnetic field (with respect to the electric field and the surface) are starting at field amplitudes of 0.2 T.© (1988) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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