X-ray technologies safeguard people against present day threats such as terrorism, illegal weapons and goods trafficking at airports and in aircrafts, ships and the flow of goods, state boundaries, critical infrastructure and mass venues. The effectiveness of the solutions to these problems is inextricably linked to the level of equipment and facilities with appropriate technical means to counter such threats, an important place among which is occupied by inspection equipment.
Checking the contents of baggage, mail, cargo and vehicles is carried out by means of non-contact and non-destructive inspection systems, all without any violation of integrity of the packaging or the inspection objects. As security checks are now a common practice and situations requiring high levels of security are becoming diversified - security screening at airports, inspection of cargo transported via airplanes, trucks and ocean vessels are performed on daily basis.
Scintillation detectors based on CsI, GOS and CdWO4 are commonly used for such inspection. When X-rays pass through the these crystals, they cause them to emit light pulses, which can be detected and analyzed to determine the composition of the material being scanned.
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