| IIT Generation | Gen2+ | Gen3 |
| Photocathode type | Multi-alkali S25 |
GaAs |
| Photocathode type uA/ lm |
500~705μA/lm |
1800~2200μA/lm |
|
Resolution lp/mm |
45~72 |
60~72 |
|
Signal-to-noise dB |
20~30 |
25~30 |
| FOM | 1200-1800 | 1800-2400 |
|
Spectral response |
380~900nm (Extended near-infrared) |
400~1064nm (Extended near-infrared) |
|
Luminous gain cd·m⁻²·lx⁻¹ |
10000-20000 | 30000-50000 |
|
Equivalent background intensity |
10⁻⁶~10⁻⁵ (EBI, LX) |
10⁻⁷~10⁻⁶ (EBI, LX) |
|
MCP type |
Low noise type |
Anti-ion feedback type (with Al₂O₃ membrane) |
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