Imaging strategies with scintillating fibers detectors: Issues and preliminary results

John O. Prior, Peter P. Antich, Johann Fernando, Jon A. Anderson, Padmakar V Kulkarni, Robert W. Parkey, Roy C. Chaney, Erwin J. Fenyves

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

Detectors of varying dimensions and geometry may be built using plastic scintillating optical fibers. This paper presents a study of the imaging properties of these detectors, directed at assessing the relative advantages of different designs. To this end, the radionuclide source distribution in the object is reconstructed by solving the inverse problem, using generalized matrix inversion. Photon detection matrices, as is well known, are ill-conditioned, a problem which may be dealt with by using truncated singular value decomposition. The design of the imaging device is investigated in term of minimizing these effects on the system matrix, and the effect of different geometric design parameters is examined. Experimental data obtained with small-scale cylindrical and planar devices are presented for different collimation schemes.

Original languageEnglish (US)
Pages (from-to)116-124
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2007
DOIs
StatePublished - Oct 22 1993
EventScintillating Fiber Technology and Applications 1993 - San Diego, United States
Duration: Jul 11 1993Jul 16 1993

ASJC Scopus subject areas

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

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