Radiation Hard Photomultiplier of High Immunity to Magnetic Fields
- Purpose: Scintillation counting in high-energy physics. Systems working under simultaneous exposure of strong magnetic and radioactive fields and elementary particles.
- Year of release: 1998
- Guaranteed service life (years): 4
- Estimated production / delivery time (months): 3
- Flight qualification of the product: No
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Photocathode diameter | 20 mm |
| Device diameter | 30 mm |
| Length | 55 mm |
| Spectral response | 220 ÷ 650 nm |
| Photocathode luminous sensitivity | 60 μA/lm |
| Dark current | 1·10-8 nA |
| Supply voltage at anode luminous sensitivity of 30 A/lm | 1800 V |
| Pulse rise time | 1,4 ns |
| Photocathode | SbKCs |
| Typycal gain under magnetic field of H=0.5 T | 2·105 |
PMT-187 has bialkali photocathode and 15-cascade secondary-electronic amplifier with mesh dynodes. The input window is made of boron-silicate UV glass, the first dynode is of “proximity” type.
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