Development of high-resolution detector module with depth of interaction identification for positron emission tomography

Niknejad, Tahereh and Pizzichemi, Marco and Stringhini, Gianluca and Auffray, Etiennette and Bugalho, Ricardo and Da Silva, Jose Carlos and Di Francesco, Agostino and Ferramacho, Luis and Lecoq, Paul and Leong, Carlos and Paganoni, Marco and Rolo, Manuel and Silva, Rui and Silveira, Miguel and Tavernier, Stefaan and Varela, Joao and Zorraquino Gastón, Carlos (2017). Development of high-resolution detector module with depth of interaction identification for positron emission tomography. "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment", v. 845 ; pp. 684-688. ISSN 0168-9002. https://doi.org/10.1016/j.nima.2016.04.080.

Description

Title: Development of high-resolution detector module with depth of interaction identification for positron emission tomography
Author/s:
  • Niknejad, Tahereh
  • Pizzichemi, Marco
  • Stringhini, Gianluca
  • Auffray, Etiennette
  • Bugalho, Ricardo
  • Da Silva, Jose Carlos
  • Di Francesco, Agostino
  • Ferramacho, Luis
  • Lecoq, Paul
  • Leong, Carlos
  • Paganoni, Marco
  • Rolo, Manuel
  • Silva, Rui
  • Silveira, Miguel
  • Tavernier, Stefaan
  • Varela, Joao
  • Zorraquino Gastón, Carlos
Item Type: Article
Título de Revista/Publicación: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Date: 11 February 2017
ISSN: 0168-9002
Volume: 845
Subjects:
Freetext Keywords: Positron emission tomographyPositron emission mammographySmall animal PETDepth of interactionTime of flight
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Ingeniería Electrónica
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

We have developed a Time-of-flight high resolution and commercially viable detector module for the application in small PET scanners. A new approach to depth of interaction (DOI) encoding with low complexity for a pixelated crystal array using a single side readout and 4-to-1 coupling between scintillators and photodetectors was investigated. In this method the DOI information is estimated using the light sharing technique. The detector module is a 1.53×1.53×15 mm3 matrix of 8×8 LYSO scintillator with lateral surfaces optically depolished separated by reflective foils. The crystal array is optically coupled to 4×4 silicon photomultipliers (SiPM) array and readout by a high performance front-end ASIC with TDC capability (50 ps time binning). The results show an excellent crystal identification for all the scintillators in the matrix, a timing resolution of 530 ps, an average DOI resolution of 5.17 mm FWHM and an average energy resolution of 18.29% FWHM.

More information

Item ID: 50722
DC Identifier: http://oa.upm.es/50722/
OAI Identifier: oai:oa.upm.es:50722
DOI: 10.1016/j.nima.2016.04.080
Official URL: https://www.sciencedirect.com/science/article/pii/S0168900216302935?via%3Dihub
Deposited by: Memoria Investigacion
Deposited on: 21 May 2018 17:56
Last Modified: 12 Feb 2019 23:30
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