Crosstalk modeling of a CT detector

Aziz Ikhlef; Smitha Thrivikraman

doi:10.1117/12.524037

6 May 2004 Crosstalk modeling of a CT detector

Aziz Ikhlef, Smitha Thrivikraman

Proceedings Volume 5368, Medical Imaging 2004: Physics of Medical Imaging; (2004) https://doi.org/10.1117/12.524037
Event: Medical Imaging 2004, 2004, San Diego, California, United States

Abstract

In this paper, we present the results and methods used to simulate the x-ray deposition and the light optical transport in x-ray detectors composed of scintillating and photodiodes arrays. Through this work, we have identified the main contributors of crosstalk and validated the model results through experimental measurements. We have assessed and quantified the effects of the reflectors, the pixel geometry and dimensions, the optical coupler between the scintillating material and the silicon photodiodes and optimized the design in order to meet the requirements of detector image quality in computer tomography. We describe some of the methods and techniques used to determine the optical properties of the material components in the simulation.

Citation Download Citation

Aziz Ikhlef and Smitha Thrivikraman "Crosstalk modeling of a CT detector", Proc. SPIE 5368, Medical Imaging 2004: Physics of Medical Imaging, (6 May 2004); https://doi.org/10.1117/12.524037

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