Photomultiplier Tube of High Immunity to Magnetic Fields
- Purpose: Photodetectors operating under exposure of strong magnetic (up to 4T) and radioactive fields (up to 2kGy).
- Year of release: 2001
- 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 | 22 mm |
| Device diameter | 26,5 mm |
| Length | 46 mm |
| Spectral response | 220 ÷ 650 nm |
| Photocathode luminous sensitivity | ≥60 μA/lm |
| Dark current | ≤2 nA |
| Supply voltage | 1000 V |
| Photocathode quantum efficiency (λ=420) | ≥18 % |
| Photocathode | SbKCsO |
| Gain under magnetic field of H=4T | ≥6 |
PMT-188 has bialkali photocathode and one-cascade multiplication system. The input window is made of boron-silicate UV glass.
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