Photomultiplier Tube of High Immunity to Magnetic Fields

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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