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Chin. Phys. B, 2009, Vol. 18(6): 2412-2419    DOI: 10.1088/1674-1056/18/6/049
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

Self-consistent three-dimensional modeling and simulation of large-scale rectangular surface-wave plasma source

Lan Chao-Hui(蓝朝晖)a)†, Lan Chao-Zhen(蓝朝桢)b), Hu Xi-Wei(胡希伟)a), Chen Zhao-Quan(陈兆权)a), and Liu Ming-Hai(刘明海)a)
a College of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; b Institute of Surveying & Mapping, Information Engineering University, Zhengzhou 450052, China
Abstract  A self-consistent and three-dimensional (3D) model of argon discharge in a large-scale rectangular surface-wave plasma (SWP) source is presented in this paper, which is based on the finite-difference time-domain (FDTD) approximation to Maxwell's equations self-consistently coupled with a fluid model for plasma evolution. The discharge characteristics at an input microwave power of 1200 W and a filling gas pressure of 50 Pa in the SWP source are analyzed. The simulation shows the time evolution of deposited power density at different stages, and the 3D distributions of electron density and temperature in the chamber at steady state. In addition, the results show that there is a peak of plasma density approximately at a vertical distance of 3 cm from the quartz window.
Keywords:  FDTD method      surface wave plasma      fluid model  
Received:  23 October 2008      Revised:  25 November 2008      Accepted manuscript online: 
PACS:  52.50.Dg (Plasma sources)  
  52.25.-b (Plasma properties)  
  52.35.Hr (Electromagnetic waves (e.g., electron-cyclotron, Whistler, Bernstein, upper hybrid, lower hybrid))  
  52.65.Kj (Magnetohydrodynamic and fluid equation)  
  52.65.Ww (Hybrid methods)  
  52.80.-s (Electric discharges)  
Fund: Project supported by the Special Fund of National High-Tech Development and Research Plan (Grant No 2008AA12A214).

Cite this article: 

Lan Chao-Hui(蓝朝晖), Lan Chao-Zhen(蓝朝桢), Hu Xi-Wei(胡希伟), Chen Zhao-Quan(陈兆权), and Liu Ming-Hai(刘明海) Self-consistent three-dimensional modeling and simulation of large-scale rectangular surface-wave plasma source 2009 Chin. Phys. B 18 2412

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