Towards a continuous crystal APD-based PET detector design

被引：52

作者：

Bruyndonckx, Peter

Lemaitre, Cedric

Schaart, Dennis

Maas, Marnix

van der Laan, D. J.

Krieguer, Magalie

Devroede, Olivier

Tavernier, Stefaan

机构：

[1] Vrije Univ Brussels, B-1050 Brussels, Belgium

[2] Delft Univ Technol, NL-2629 JB Delft, Netherlands

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 571卷 / 1-2期

关键词：

positron emission tomography; APD; scnitillator; neural network; depth of interaction; statistical positioning algorithm;

D O I：

10.1016/j.nima.2006.10.058

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Monolithic scintillator blocks provide an efficient way to significantly increase the sensitivity of high-resolution positron emission tomography (PET) systems. Using statistical or neural network-based positioning schemes, the measured intrinsic detector resolution for perpendicular incident photons is 1.7 mm full-width at half-maximum (FWHM) for 10 mm thick LSO blocks and 2.0 mm FWHM for 20 mm thick LSO blocks. Because the positioning algorithms determine the incidence position as opposed to the combination of interaction position and interaction depth, a very good parallax correction can be achieved. Energy and detector time resolution were 11.5% FWHM and 1.6 ns FWHM, respectively. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：182 / 186

页数：5

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