Evaluation of a new position sensitive detector based on the plastic rod scintillators

In this work, a new gamma ray imaging system was developed. The system consisted of a plastic-based rod detector (BC400) coupled with a PMT at one side and a fan shaped 60Co gamma source having about 1 mCi activities. The experiments were done using metal plates with different thicknesses. It was found that using a suitable deconvolution method, the output gamma spectra of the system can provide useful information about the size and position of the gamma ray exposed objects.