Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators

N. J. Cherepy; S. A. Payne; B. W. Sturm; S. P. O'Neal; Z. M. Seeley; O. B. Drury; L. K. Haselhorst; B. L. Rupert; R. D. Sanner; P. A. Thelin; S. E. Fisher; R. Hawrami; K. S. Shah; A. Burger; J. O. Ramey; L. A. Boatner

doi:10.1117/12.896656

27 September 2011 Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators

N. J. Cherepy, S. A. Payne, B. W. Sturm, S. P. O'Neal, Z. M. Seeley, O. B. Drury, L. K. Haselhorst, B. L. Rupert, R. D. Sanner, P. A. Thelin, S. E. Fisher, R. Hawrami, K. S. Shah, A. Burger, J. O. Ramey, L. A. Boatner

Author Affiliations +

Proceedings Volume 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII; 81420W (2011) https://doi.org/10.1117/12.896656
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Recently discovered scintillators for gamma ray spectroscopy - single-crystal SrI₂(Eu), GYGAG(Ce) transparent ceramic and Bismuth-loaded plastics - offer resolution and fabrication advantages compared to commercial scintillators, such as NaI(Tl) and standard PVT plastic. Energy resolution at 662 keV of 2.7% is obtained with SrI₂(Eu), while 4.5% is obtained with GYGAG(Ce). A new transparent ceramic scintillator for radiographic imaging systems, GLO(Eu), offers high light yield of 70,000 Photons/MeV, high stopping, and low radiation damage. Implementation of single-crystal SrI₂(Eu), Gd-based transparent ceramics, and Bi-loaded plastic scintillators can advance the state-of-the art in ionizing radiation detection systems.

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N. J. Cherepy, S. A. Payne, B. W. Sturm, S. P. O'Neal, Z. M. Seeley, O. B. Drury, L. K. Haselhorst, B. L. Rupert, R. D. Sanner, P. A. Thelin, S. E. Fisher, R. Hawrami, K. S. Shah, A. Burger, J. O. Ramey, and L. A. Boatner "Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators", Proc. SPIE 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII, 81420W (27 September 2011); https://doi.org/10.1117/12.896656

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