Research Article

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

Table 7

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

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

Upstream1945.91946.0
Extraction (center)240.60235.63
Extraction (edge)153.72206.17
Downstream273.11174.62
Total1428.8651.73