Development of low power high speed readout electronics for high resolution PET with LSO and APD arrays

Gerard Visser; Simon R Cherry; Martin Clajus; Yiping Shao; Tümay O. Tümer

Development of low power high speed readout electronics for high resolution PET with LSO and APD arrays

Gerard Visser, Simon R Cherry, Martin Clajus, Yiping Shao, Tümay O. Tümer

Radiology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

8 Scopus citations

Abstract

An ASIC-based readout electronics scheme is under development for high resolution, compact PET imagers based on independent readout of all channels of LSO scintillator and avalanche photodiode (APD) arrays. Depth of interaction is obtained by readout of both ends of the LSO crystals. A low power, highly integrated design is critical. We report here on a discrete electronics prototype, running at 22 mW per channel for the preamplifier and discriminator. The measured timing resolution is 3.6 ns FWHM, 9.2 ns full width at one tenth maximum, relative to an LSO/PMT detector, energy resolution is 13.3% FWHM at 511 keV, and depth of interaction position resolution is 2.5 mm FWHM throughout the full length of the crystal. Work is in progress towards an ASIC and a full scale prototype detector module suitable for a high resolution compact PET instrument.

Original language	English (US)
Title of host publication	IEEE Nuclear Science Symposium and Medical Imaging Conference
Pages	1988-1992
Number of pages	5
Volume	4
State	Published - 2002
Event	2001 IEEE Nuclear Science Symposium Conference Record - San Diego, CA, United States Duration: Nov 4 2001 → Nov 10 2001

Other

Other	2001 IEEE Nuclear Science Symposium Conference Record
Country	United States
City	San Diego, CA
Period	11/4/01 → 11/10/01

ASJC Scopus subject areas

Computer Vision and Pattern Recognition
Industrial and Manufacturing Engineering

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Visser, G., Cherry, S. R., Clajus, M., Shao, Y., & Tümer, T. O. (2002). Development of low power high speed readout electronics for high resolution PET with LSO and APD arrays. In IEEE Nuclear Science Symposium and Medical Imaging Conference (Vol. 4, pp. 1988-1992)

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title = "Development of low power high speed readout electronics for high resolution PET with LSO and APD arrays",

abstract = "An ASIC-based readout electronics scheme is under development for high resolution, compact PET imagers based on independent readout of all channels of LSO scintillator and avalanche photodiode (APD) arrays. Depth of interaction is obtained by readout of both ends of the LSO crystals. A low power, highly integrated design is critical. We report here on a discrete electronics prototype, running at 22 mW per channel for the preamplifier and discriminator. The measured timing resolution is 3.6 ns FWHM, 9.2 ns full width at one tenth maximum, relative to an LSO/PMT detector, energy resolution is 13.3% FWHM at 511 keV, and depth of interaction position resolution is 2.5 mm FWHM throughout the full length of the crystal. Work is in progress towards an ASIC and a full scale prototype detector module suitable for a high resolution compact PET instrument.",

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AU - Cherry, Simon R

AU - Clajus, Martin

AU - Shao, Yiping

AU - Tümer, Tümay O.

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AB - An ASIC-based readout electronics scheme is under development for high resolution, compact PET imagers based on independent readout of all channels of LSO scintillator and avalanche photodiode (APD) arrays. Depth of interaction is obtained by readout of both ends of the LSO crystals. A low power, highly integrated design is critical. We report here on a discrete electronics prototype, running at 22 mW per channel for the preamplifier and discriminator. The measured timing resolution is 3.6 ns FWHM, 9.2 ns full width at one tenth maximum, relative to an LSO/PMT detector, energy resolution is 13.3% FWHM at 511 keV, and depth of interaction position resolution is 2.5 mm FWHM throughout the full length of the crystal. Work is in progress towards an ASIC and a full scale prototype detector module suitable for a high resolution compact PET instrument.

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