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An Intensified EMCCD Camera for Low Energy Gamma Ray Imaging Applications

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1 Author(s)
Meng, L.J. ; Dept. of Nucl. Eng., Michigan Univ., Ann Arbor, MI

This paper presents the design and feasibility study of a very-high resolution gamma camera for detecting 27-35 keV X and gamma rays emitted by I-125 labelled radiotracers. This detector consists of a newly developed Electron-multiplying CCD (EMCCD) sensor and a de-magnifier tube coupled to a thin layer of scintillator. A prototype detector was developed and experimentally evaluated. This detector has a detection area of ~5times5 cm2. It provided an intrinsic spatial resolution of <60 mum FWHM and a high signal-to-noise ratio for detecting the 27-35 keV photons, which ensures an excellent counting efficiency. This detector will be used as the key component for a single photon emission microscope (SPEM) system that is under development

Published in:

Nuclear Science, IEEE Transactions on  (Volume:53 ,  Issue: 4 )

Date of Publication:

Aug. 2006

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