Design considerations for the next-generation MAPMT-based monolithic scintillation camera

Esen Salçin, H. Bradford Barber, Lars R Furenlid

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Multi-anode photomultiplier tubes (MAPMTs) offer high spatial resolution with their small size anodes that may range from 64 to 1024 in number per tube. In order to increase detector size, MAPMT modules can be arranged in arrays and combined in a single modular scintillation camera. However, then the large number of channels that require amplification and digitization become practically not feasible unless signals are combined or reduced in some manner. Conventional approaches use resistive charge division readouts with a centroid algorithm (or a variant of it) for simplicity in the electronic circuitry implementation and fast execution. However, coupling signals from many anodes may cause significant information loss and limit achievable resolution. In this study, a new approach for optimizing readout-electronics design for MAPMTs based on an analysis of information content in the signals is presented. An adaptive read-out scheme to be used with maximum-likelihood estimation methods is proposed. This scheme achieves precision in estimating event parameters that is close to what is achieved by retaining all signals.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8143
DOIs
StatePublished - 2011
EventMedical Applications of Radiation Detectors - San Diego, CA, United States
Duration: Aug 24 2011Aug 25 2011

Other

OtherMedical Applications of Radiation Detectors
CountryUnited States
CitySan Diego, CA
Period8/24/118/25/11

Fingerprint

Electron tubes
Scintillation
Photomultipliers
photomultiplier tubes
scintillation
Tube
Anodes
anodes
Camera
Cameras
cameras
Electronics
readout
Digitization
Information Loss
Information Content
Centroid
Maximum Likelihood Estimation
Spatial Resolution
Amplification

Keywords

  • Fisher information
  • Multi-anode photomultiplier tube
  • Readout electronics
  • Scintillation camera

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Salçin, E., Barber, H. B., & Furenlid, L. R. (2011). Design considerations for the next-generation MAPMT-based monolithic scintillation camera. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8143). [81430Q] https://doi.org/10.1117/12.899478

Design considerations for the next-generation MAPMT-based monolithic scintillation camera. / Salçin, Esen; Barber, H. Bradford; Furenlid, Lars R.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8143 2011. 81430Q.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Salçin, E, Barber, HB & Furenlid, LR 2011, Design considerations for the next-generation MAPMT-based monolithic scintillation camera. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8143, 81430Q, Medical Applications of Radiation Detectors, San Diego, CA, United States, 8/24/11. https://doi.org/10.1117/12.899478
Salçin E, Barber HB, Furenlid LR. Design considerations for the next-generation MAPMT-based monolithic scintillation camera. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8143. 2011. 81430Q https://doi.org/10.1117/12.899478
Salçin, Esen ; Barber, H. Bradford ; Furenlid, Lars R. / Design considerations for the next-generation MAPMT-based monolithic scintillation camera. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8143 2011.
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