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Technology Factsheet

Plastic Scintillator Detector

Category: Characterization > Monitors > Radiation Monitors
Reference # : Model No :

Organic (plastic) scintillators are used for particle detection and beta detection. They are composed of a transparent host material (a plastic) doped with a scintillating organic molecule (e.g. POPOP : p-bis [2-(5-phenyloxazolyl)] benzene). Radiation is absorbed by the host material, mostly via Compton effect because of the low density and Z- value of organic materials. Scintillators are primarily used for the detection of b - and other particles. Plastic scintillators are frequently used when large detector volumes are required e.g. in security or health physics applications. The cost of large plastic scintillation detectors (per volume) is much lower than that of equivalent size NaI(Tl) detectors; plastic scintillators can be manufactured in meter long slabs.

Benefits

Cost of the plastic scintillator detectors is less and they can be manufactured in meter long slabs.

Limitations

While using plastic scintillator detectors sometimes there might be a vulnerability to foreign materials and may be subject to radiation damage.

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