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Next Generation Gamma / Neutron Sensors - Based on IAT Advanced Digital Sensor Interface  

Innovative American Technology (IAT) has completed version 3.0 of our Advanced Digital Sensor Interface based on high speed digital electronics, firmware and software. The Digital Sensor Interface (DSI) increases sensor efficiencies through very high speed signal processing, analog to digital conversions and highly effective digital filters. The first sensor systems include composite neutron detectors with increased efficiency and gamma rejection rates of 99.99999% (one in ten million).

Typical gamma rejection rates for competing products are approximately 99.96%, or four gamma detections in every ten thousand (10,000) gamma events. The advanced  DSI gamma rejection system reduces the gamma interference to one gamma detection in every ten million (10,000,000) events. This is a performance improvement factor of more than 1,000 times when compared to conventional systems.

The IAT Digital Sensor interface can be applied to a wide variety of conventional neutron detector technologies that previously could not meet gamma rejection rates and neutron detection efficiencies required for nuclear industry and government applications.  The DSI technology can also be applied to gamma detectors for increased efficiency and next generation detection materials.

Next generation radiation detection materials provide simultaneous detection for both gamma and neutron with good resolution for gamma spectra. The IAT DSI system allows the gamma spectra to be separated from the neutron counts to enable optimum sensor performance. The IAT digital pulse shape differentiation (PSD) process is performed within the DSI module providing gamma / neutron separation rates of up to 99.99999%.

The next generation gamma / neutron sensors will enable new applications and expand the capabilities of the RTIS family of products including: the Spreader Bar Radiation Verification System (SBRVS), the Straddle Carrier Radiation Verification System (SCRVS) and the Mobile Radiation Verification System (MRVS).