Backscatter detection system

A security screening device using ionising radiation by measuring the radiation scattered from an object to create an image. The radiation source and the detector are located on the same side of the object. Backscatter detection systems are used to screen people, whereas transmission detection systems are used to screen cargo.

(Adapted from ICRP Publication 125, 2014)

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from ICRP Publication 125, 2014

A security screening device using ionising radiation by measuring the radiation scattered from an object to create an image. The radiation source and the detector are located on the same side of the object.