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PMT-186 (PMT-186-1) has SbKNaCs photocathode and linear 14-dynode multiplication system. PMT-186-1 also has two pre-photocathode grids before the first dynode, it can work in a controlled mode. The device is intended for registration of pulse signals within visible and near IR ranges for multispectral research.
Construction design
PMT-186, PMT-186-1 is produced in a glass balloon with head-on optical input. The input window is made of boron-silicate UV glass. Available complete set: socket and voltage divider.
DIMENSIONAL OUTLINE
SPECIFICATIONS
| Photocathode | SbKNaCs |
| Photocathode diameter (functional), mm | 10 |
| Device diameter, mm | 22 |
| Length, mm | 67 |
| Number of dynodes | 14 |
| Spectral response, nm | 260 ÷ 750 |
| Photocathode luminous sensitivity, μA/lm | ≥80 |
| Anode luminous sensitivity, A/lm | 100 |
| Dark current, A | ≤5·10-9 |
| Nominal supply voltage at anode luminous sensitivity of 100 A/lm, V | ≤2200 |
| Pulse rise time, ns | ≤1,5 |
SPECTRAL RESPONSE CHARACTERISTICS
