Generation of a Large Diameter He Cascade Arc Plasma for a Plasma Window Application
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説明
We fabricated a cascade arc discharge source with a channel diameter of 8 mm for various applications to virtual vacuum interface (plasma window). Stationary helium arc plasma up to a discharge current of 100 A was generated, and the performance as plasma window was investigated. The pressure ratio of high-pressure discharge section to low-pressure vacuum side was above 70 at a 50-A He discharge with a gas flow rate of 0.2 L/min. To characterize the plasma at the anode electrode, emissions of vacuum UV and visible wavelengths were observed. Spectral analysis of He I continuum spectra and H- $\beta $ Stark broadening showed that the plasma temperature was around 0.9 eV and density was $3.4\times 10^{13}$ cm−3 for a 100-A He discharge with a gas flow rate of 0.05 L/min.
収録刊行物
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- IEEE Transactions on Plasma Science
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IEEE Transactions on Plasma Science 46 (7), 2626-2629, 2018-07
Institute of Electrical and Electronics Engineers (IEEE)
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詳細情報 詳細情報について
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- CRID
- 1360285710398479616
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- ISSN
- 19399375
- 00933813
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- 資料種別
- journal article
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- データソース種別
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- Crossref
- KAKEN
- OpenAIRE
