Research Article

Influence of the Decelerator Grid on the Optical Performance of the Ion Thruster

Table 6

CEX impingement current of the accelerator grid and mean incident energy from different regions at .

Generation region (A) (eV)
2-grid3-grid2-grid3-grid

Upstream1934.01934.7
Extraction (center)211.81196.66
Extraction (edge)189.37194.11
Downstream197.30178.32
Total1461.9993.53