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We are investigating the performance of a LYSO-solid state photomultiplier (SSPM) based PET detector in a magnetic resonance imaging (MRI) scanner to exploit the potential advantage of a combined PET/MRI system. SSPMs are compact, have high gain at low bias, fast response time and they are insensitive to magnetic fields which makes them very attractive for combined PET/MRI applications. A PET detector...
Thallium bromide (TlBr) is of interest as a material for room temperature gamma ray spectroscopy due to its high density, high Z and wide bandgap. In addition, its cubic crystal structure and relatively low melting point facilitate crystal growth by melt techniques. Recent advances in material purification, crystal growth and device processing have led to mobility-lifetime products of electrons in...
We present the performance of a compact PET detector module with a depth-of-interaction (DOI) capability based on a LYSO scintillator array coupled at both ends to CMOS solid state photomultipliers (SSPM). In this paper we present flood imaging, energy resolution, coincidence timing and DOI resolution results for a prototype PET detector module consisting of a 4 ?? 4 block of LYSO scintillators, each...
Wireless networking is currently dominated by radio frequency (RF) techniques. However, the soon-to-be ubiquity of LED-based lighting motivated by significant energy savings provides an opportunistic deployment of widespread free-space optical (FSO) communications. LED-based network transceivers have a variety of competitive advantages over RF including high bandwidth density, security, energy consumption,...
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