Li-Foil Multiwire Proportional Counter (MWPC) Neutron Detector
A Low-Cost Large-Area Neutron Detector
LCDs contain a coating of 6Li metal on the inner wall of an aluminum tube and contain a single anode wire positioned down the center of the tube. The theoretically calculated thermal neutron detection efficiency is approximately 20% with a lower level discriminator (LLD) of 300 keV. Each LCD can have a large active area of >100 cm2. The gamma-ray rejection ratio (GRR) of the LCD was calculated using a 68.8 mCi 137Cs gamma-ray source at an exposure rate of 1000 mR/hr, which was found to be 1.3 x 10-10.
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Use of Li-6 allows for high sensitivity to thermal neutrons following a 1/v neutron energy response.
Large sensitive neutron detection area for backpack, vehical mounted, or portal monitoring applications.
40% thermal neutron detection efficiency.
R&D100 Award Winning Technology!