Calibration of photomultipliers gain used in the J-PET detector
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Tomasz Bednarski
,
Eryk Czerwiński
Abstract
Photomultipliers are commonly used in commercial PET scanner as devices that convert light produced in scintillator by gamma quanta from positron-electron annihilation into electrical signal. For proper analysis of obtained electrical signal, a photomultiplier gain curve must be known, since gain can be significantly different even between photomultipliers of the same model. In this article, we describe single photoelectron method used for photomultiplier calibration applied for J-PET scanner, a novel PET detector being developed at Jagiellonian University. A description of calibration method, an example of calibration curve, and a gain of few Hamamatsu R4998 photomultipliers are presented.
Acknowledgments
We acknowledge the technical and administrative support by M. Adamczyk, T. Gucwa-Ryś, A. Heczko, M. Kajetanowicz, G. Konopka-Cupiał, J. Majewski, W. Migdał, and A. Misiak and the financial support by the Polish National Center for Development and Research through grant INNOTECH-K1/IN1/64/159174/NCBR/12, the Foundation for Polish Science through MPD program, the EU and MSHE Grant No. POIG.02.03.00-161 00-013/09, and the Małopolskie Centre of Entrepreneurship through Doctus program.
Conflict of interest statement
Authors’ conflict of interest disclosure: The authors stated that there are no conflicts of interest regarding the publication of this article. Research funding played no role in thestudy design; in the collection, analysis, and interpretationof data; in the writing of the report; or in the decision tosubmit the report for publication.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
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©2014 by Walter de Gruyter Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Articles
- 3D PET image reconstruction based on the maximum likelihood estimation method (MLEM) algorithm
- List-mode reconstruction in 2D strip PET
- Calibration of photomultipliers gain used in the J-PET detector
- A novel method for calibration and monitoring of time synchronization of TOF-PET scanners by means of cosmic rays
- Plastic scintillators for positron emission tomography obtained by the bulk polymerization method
- J-PET analysis framework for the prototype TOF-PET detector
- Trigger-less and reconfigurable data acquisition system for positron emission tomography
- A novel method based solely on field programmable gate array (FPGA) units enabling measurement of time and charge of analog signals in positron emission tomography (PET)
- Review
- Positron emission tomography (PET) in oncology: current applications and future perspectives
Artikel in diesem Heft
- Frontmatter
- Original Articles
- 3D PET image reconstruction based on the maximum likelihood estimation method (MLEM) algorithm
- List-mode reconstruction in 2D strip PET
- Calibration of photomultipliers gain used in the J-PET detector
- A novel method for calibration and monitoring of time synchronization of TOF-PET scanners by means of cosmic rays
- Plastic scintillators for positron emission tomography obtained by the bulk polymerization method
- J-PET analysis framework for the prototype TOF-PET detector
- Trigger-less and reconfigurable data acquisition system for positron emission tomography
- A novel method based solely on field programmable gate array (FPGA) units enabling measurement of time and charge of analog signals in positron emission tomography (PET)
- Review
- Positron emission tomography (PET) in oncology: current applications and future perspectives
