Comparative Observations of the Microseconds Pulsed Discharges in Helium Gas Including Residual : Impurities in a Short Tube with Two Wire-electrodes

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概要

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• Pulsed dischargs of helium glow were caused under the conditions of the gas pressure in the range from 80 to several torr, and of the charging voltage below 3 kV. The dependence of the values of charged capacitor and of the pulse repetition on the pulsed discharge was also partially examined. Here, seperation of the two wire-electrodes on the tube axis was 15 mm. Experimental studies were made comparatively with oscilloscopic observations of the voltage-, current-, and light-pulses, and together with photographic observation of the light pattern. It was deduced spectroscopically that main residual impurity gas was of CO trace. It seemed to lower the breakdown potential. The tendency looked more remarkable in the case of the low voltage discharges at the higher repetitions. In the usual light patterns, a streamer-like portion between the two electrodes was of rapid passage, and a diffusing glow part about the cathode was of both comparatively late- and slow-passage.

• 東北大学の論文

著者

• Yagi Masashi

  Research Institute For Scientific Measurements

関連論文

• Comparative Observations of the Microseconds Pulsed Discharges in Helium Gas Including Residual : Impurities in a Short Tube with Two Wire-electrodes

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