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      ZnS and LiF based Neutron Detectors

      ZnS and LiF based Neutron Detectors

      The BC-700 series plastic scintillators are formulated for the efficient detection of neutrons in the presence of gamma radiation. They can be coupled directly to a photomultiplier tube or light guide. A variety of detector materials are offered for Thermal and Fast Neutron detection. These can be grouped into two categories according to their response to neutron and gamma radiation:

      Fast Neutron Detection

      • BC-720 consists of ZnS(Ag) phosphor embedded in a clear hydrogenous plastic.

      Thermal Neutron Detection

      • BC-702 is a matrix of a lithium compound enriched to 95% 6Li dispersed in a fine ZnS(Ag) phosphor powder.
      • BC-704 is a phosphor screen based on ZnS(Ag) and 6Li.
      • BC-705 is a phosphor screen based on zinc sulfide activated with copper, i.e., ZnS(Cu)
      • NeuPort / NeuTruck is a 6LiF/ZnS(Ag) based neutron detector to replace He3 tube in Radiation Portal and Mobile Monitors.  Proprietary Pulse Shape Discrimination (PSD) algorithm is employed to count neutrons and reject gamma ray events.

       

       

      Features/Benefits

      • BC-720 detects fast neutrons while being insensitive to gamma radiation
      • BC-702 detects thermal neutrons and very little gamma sensitivity
      • BC-704 and BC-705 are for thermal neutron radiography
      • NeuTruck and NeuPort replaces He-3 systems without modification of existing electronics or significant changes in voltage and provides performance that meets or exceeds ANSI standards
       

      Specifications

      • BC-702: 38, 50, 76, 127mm diameters x 6.35mm thick Disc
      • BC-720: 38, 50, 76, 127mm diameters x 15.9mm thick Disc
      • BC-704 and BC-705: Up to 300 x 300mm screen x 1mm thick, integrated with PMT

       

      Related Resources

       Neutron Counting Application
       BC702 Data Sheet
       BC720 Data Sheet
       NeuPort Detection Solution
       NeuTruck Detection Solution

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