Research Article

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

Table 9

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

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

Upstream0.00000.00000.00000.0000
Extraction (center)491.41486.88
Extraction (edge)234.02239.43
Downstream141.78153.10
Total450.25442.02