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| WEPIK025 |
Spectral Diagnostics of Argon Plasma in a 10mm Aperture Plasma Window |
2978 |
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- P.P. Gan, S. Huang, Y.R. Lu, S.Z. Wang, Z.X. Yuan, K. Zhu
PKU, Beijing, People's Republic of China
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A 10 mm diameter 60 mm long plasma window has been designed and managed to generate arc discharge with argon gas experimentally in Peking University. Based on the previous experiments and simulations, we have measured the electron temperature and density of the plasma via argon spectral diagnostics, and analyzed the conditions to satisfy the criterion of local thermal equilibrium (L.T.E). The electron temperature is in the range of 12000 K to 16000 K. The electron density is in the range of 2.2×1016 cm-3 to 3.2×1016 cm-3, increasing with discharge current and gas flow rate. The results indicate that our argon plasma is in the L.T.E status. The sealing pressure characteristics of the plasma window is mentioned as well.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK025
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