Monte Carlo modeling of storage phosphor plate readouts

R. Fasbender, H. Li, A. Winnacker

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Storage phosphor based imaging detectors are widely used in various fields of X-ray radiography. In this work, a numerical procedure based on the Monte Carlo algorithm is presented to simulate the image readout of storage phosphor plates (SPPs). Several experimentally measurable model parameters, including the optical anisotropy coefficient, the optical absorption coefficient and the mean scattering length, are used to deal with multiple light-scattering processes during the image readout. The density distribution profile of the readout laser and escape probability of the luminescence photons are simulated. Such image metrics as line spread function, photostimulated luminescence (PSL) sensitivity and modulation transfer function (MTF) can be calculated. The simulated MTFs and PSL sensitivities are in good agreement with experimental data at different SPP thickness within 5%.

Original languageEnglish
Pages (from-to)610-618
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume512
Issue number3
DOIs
StatePublished - Oct 21 2003

Keywords

  • Monte Carlo
  • Photostimulated luminescence
  • Storage phosphor
  • Storage phosphor plate

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