Progress of BazookaSPECT

Brian W. Miller; H. Bradford Barber; Lars R. Furenlid; Stephen K. Moore; Harrison H. Barrett

doi:10.1117/12.843742

11 September 2009 Progress of BazookaSPECT

Brian W. Miller, H. Bradford Barber, Lars R. Furenlid, Stephen K. Moore, Harrison H. Barrett

Proceedings Volume 7450, Penetrating Radiation Systems and Applications X; 74500C (2009) https://doi.org/10.1117/12.843742
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

Recent progress on a high-resolution, photon-counting gamma-ray and x-ray imager called BazookaSPECT is presented. BazookaSPECT is an example of a new class of scintillation detectors based on integrating detectors such as CCD(charge-coupled device) or CMOS(complementary metal-oxide semiconductor) sensors. BazookaSPECT is unique in that it makes use of a scintillator in close proximity to a microchannel plate-based image intensifier for up-front optical amplification of scintillation light. We discuss progress made in bringing about compact BazookaSPECT modules and in real-time processing of event data using graphics processing units (GPUs). These advances are being implemented in the design of a high-resolution rodent brain imager called FastSPECT III. A key benefit of up-front optical gain is that any CCD/CMOS sensor can now be utilized for photon counting. We discuss the benefits and feasibility of using CMOS sensors as photon-counting detectors for digital radiography, with application in mammography and computed tomography (CT). We present as an appendix a formal method for comparing various photon-counting integrating detectors using objective statistical criteria.

Citation Download Citation

Brian W. Miller, H. Bradford Barber, Lars R. Furenlid, Stephen K. Moore, and Harrison H. Barrett "Progress of BazookaSPECT", Proc. SPIE 7450, Penetrating Radiation Systems and Applications X, 74500C (11 September 2009); https://doi.org/10.1117/12.843742

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