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The influence of light from a nitrogen gas discharge lamp on the concentration of metastable species and on the time delay to electrical breakdown in nitrogen-filled diodes

The analysis of measurements of the overvoltage dependence of time delays to electrical breakdown in nitrogen-filled diodes under various illumination conditions confirms the role of long-lived metastable species. After long periods of afterglow the concentration of molecules significantly influences the breakdown probability as well as the magnitude of the glow-discharge current.