Neutron Detectors
(Neutron sensitive Imaging Tubes and Cameras)

Neutron sensitive cameras

Direct neutron detection by means of Boron-doped microchannel plates, down to spatial resolution of ~50 µm, and without compromising spatial resolution with detection efficiency.

These tubes are built in the same robust way as our UV detectors for military applications. However, they lack the presence of a photocathode, and detect neutrons directly by the interaction with the electron-amplifying element, the microchannel plate. This plate is doped with a neutron absorber, so that the absorption of a neutron triggers an electron avalanche. These avalanches form the image at a phosphor screen output in exactly the same way as in a night vision tube. The microstructure of the MCP allows a thicker converter without losing the spatial resolution, because the avalanche is laterally confined by the ~10 µm thin channels.

Related Documents

Features

 

  • Spatial resolution: ~50 µm, depending on neutron beam collimation
  • neutron sensitivity > 40 %
  • Gamma Sensitivity of ~1%
  • dark count rate / active area < 1 Hz/cm²

Applications

 

  • Neutron imaging / detection
  • Detection of special nuclear materials

Configuration parameters

 

  • Active areas of 25 mm and 40 mm
  • Fast phosphor screen output (P46, P47 or custom)
  • Optionally with: Power supply, couplings to camera.

Options

 

Besides the standard configuration we do also take into account application-specific requirements. Thus we invite our customers to provide such information. Confidentiality is of course guaranteed.

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