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-grid | 3-grid | 2-grid | 3-grid |
| Upstream | | | 1945.9 | 1946.0 | Extraction (center) | | | 240.60 | 235.63 | Extraction (edge) | | | 153.72 | 206.17 | Downstream | | | 273.11 | 174.62 | Total | | | 1428.8 | 651.73 |
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