Effect of gas pressure on plasma characteristics of a 2.45 GHz ECR ion source.

Autor: Aghbolaghi, Marzieh Asadi, Davani, Fereydoun Abbasi, Satri, Masoomeh Yarmohammadi, Mobaraki, Zafar Riazi, Ghasemi, Farshad
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Zdroj: Journal of Theoretical & Applied Physics; Jul/Aug2024, Vol. 18 Issue 4, p1-6, 6p
Abstrakt: Electron cyclotron resonance ion source (ECRIS) is designed and simulated using COMSOL software. The 2.45 GHz microwave is injected through a coaxial cable into a cylindrical chamber with a diameter of 9 cm and a length of 10 cm. Two coils are employed to produce a flat-B magnetic field profile and two resonance zones on both sides of the chamber. Hydrogen gas plasma is simulated by considering H+, H+2 and H+3 ions, and H and H2 as neutrals. Finally, electron density and temperature are reported as a function of gas pressure. It is observed that as the gas pressure increases, the electron temperature decreases and the electron density decline following an initial increases. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index