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-grid | 3-grid | 2-grid | 3-grid |
| Upstream | | | 1934.0 | 1934.7 | Extraction (center) | | | 211.81 | 196.66 | Extraction (edge) | | | 189.37 | 194.11 | Downstream | | | 197.30 | 178.32 | Total | | | 1461.9 | 993.53 |
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