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3 October 2022 Advantages of bismuth loaded plastic scintillators (Conference Presentation)
Sean P. O'Neal, Nerine Cherepy, Saphon Hok, Robert Sanner, Steven Payne
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Proceedings Volume PC12241, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIV; PC1224107 (2022) https://doi.org/10.1117/12.2635289
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States
Abstract
Plastic scintillators are widely deployed radiation detectors due to their low cost and environmental ruggedness. Their effectiveness, however, is limited by their low atomic number resulting in low stopping power and poor photopeak efficiency. Here, we compare two different Bi-loaded plastic scintillator formulations to conventional plastic, demonstrating improved spectroscopy and stopping power at the ~18 in3 scale. One approach, Bi-pivalate plastics, uses conventional fluors and may be used as a drop-in replacement for currently deployed plastics such as EJ200. The other approach, Bismuth Loaded Iridium-complex Plastics (BLIP), uses an Iridium-based fluor for higher light yield and higher Bi loading.
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Sean P. O'Neal, Nerine Cherepy, Saphon Hok, Robert Sanner, and Steven Payne "Advantages of bismuth loaded plastic scintillators (Conference Presentation)", Proc. SPIE PC12241, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIV, PC1224107 (3 October 2022); https://doi.org/10.1117/12.2635289
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KEYWORDS
Bismuth
Scintillators
Environmental sensing
Sensors
Spectroscopy
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