Elongate X-ray detectors for application in security inspection systems

We have developed, manufactured, and investigated a novel type of long X-ray detector up to 1000 mm long with two exit windows. The sensitive element of the detector is an elongated polished rectangular plate of inorganic scintillator. The detector is highly sensitive to X-rays in the energy region 50-250 keV. The factors influencing the sensitivity and longitudinal uniformity of the detector response have been considered.