Development of microcolumnar LaBr[sub]3[/sub]:Ce scintillator

Vivek V. Nagarkar; Stuart Miller; Bipin Singh; Samta Thacker; Valeriy Gaysinskiy; Brian W. Miller; H. Bradford Barber; Donald Wilson

doi:10.1117/12.831053

11 September 2009 Development of microcolumnar LaBr₃:Ce scintillator

Vivek V. Nagarkar, Stuart Miller, Bipin Singh, Samta Thacker, Valeriy Gaysinskiy, Brian W. Miller, H. Bradford Barber, Donald Wilson

Author Affiliations +

Proceedings Volume 7450, Penetrating Radiation Systems and Applications X; 745006 (2009) https://doi.org/10.1117/12.831053
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

While a wide variety of new scintillators are now available, new cerium-doped lanthanide halide scintillators have shown a strong potential to move beyond their familiar role in conventional gamma ray spectroscopy, toward fulfilling the needs of highly demanding applications such as radioisotope identification at room temperature, homeland security, and quantitative molecular imaging for medical diagnostics, staging and research. Despite their extraordinary advantages, however, issues related to reliable, large volume manufacturing of these high light yield materials in a rapid and economic manner have not been resolved or purposefully addressed. Also, if microcolumnar films of this material could be fabricated, it would find widespread use in a multitude of high-speed imaging/nuclear medicine applications. Here we report on synthesizing LaBr3:Ce scintillators using a thermal evaporation technique, which permits the fabrication of high spatial resolution microcolumnar films and holds a potential to synthesize large volumes of high quality material in a time efficient and cost effective manner. Performance evaluation of the fabricated films and their application for SPECT imaging are also discussed.

Citation Download Citation

Vivek V. Nagarkar, Stuart Miller, Bipin Singh, Samta Thacker, Valeriy Gaysinskiy, Brian W. Miller, H. Bradford Barber, and Donald Wilson "Development of microcolumnar LaBr₃:Ce scintillator", Proc. SPIE 7450, Penetrating Radiation Systems and Applications X, 745006 (11 September 2009); https://doi.org/10.1117/12.831053

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