Thermal neutron detector based on COTS CMOS imagers and a conversion layer containing Gadolinium
- Pérez, Martín
- Blostein, Juan Jeronimo
- Alcalde Bessia, Fabricio Pablo
- Tartaglione, Aureliano
- Sidelnik, Iván Pedro
- Sofo Haro, Miguel Francisco
- Suarez, Sergio Gabriel
- Gimenez, Melisa Lucía
- Gomez Berisso, Mariano
- Lipovetzky, José
DOIAbstract
In this work we will introduce a novel low cost position sensitive thermal neutron detection technique, based on a Commercial Off The Shelf CMOS image sensor covered with a Gadolinium containing conversion layer. The feasibility of the neutron detection technique implemented in this work has been experimentally demonstrated. A thermal neutron detection efficiency of 11.3% has been experimentally obtained with a conversion layer of 11.6 μm. It was experimentally verified that the thermal neutron detection efficiency of this technique is independent on the intensity of the incident thermal neutron flux, which was confirmed for conversion layers of different thicknesses. Based on the experimental results, a spatial resolution better than 25 μm...
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