Radiation Detection

Solid State Glass Detector

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The world is experiencing a shortage of 3Helium, the key component in nearly all neutron proportional counters used in security, medical and science applications. In response to the diminished availability of 3Helium, Nucsafe has developed neutron detectors based on 6Li-loaded scintillating glass. The Guardian Solid State Neutron Detector utilizes this glass in combination with silicon photomultipliers (SiPMs) to produce a compact, rugged and completely solid-state neutron detector. All SiPM bias, temperature compensation, photocurrent pulse processing, and gamma rejection electronics are incorporated within the detector housing and provide a LVCMOS/LVTTL compatible logic pulse for each detected neutron. It is a low power detector and requires only 3.3-5 V supply to operate and is well-suited for use in portable battery powered products. The end connector can be selected to accommodate specific OEM requirements. The following graphs show measurements made with Guardian Solid-State Neutron Detectors along with an 8.4 atm 3He detector of identical size for comparison.