Sensitometric response of Cd 1-xZn xTe detectors for chest radiography

George C. Giakos, Amlan Dasgupta, Sankararaman Suryanarayanan, Samir Chowdhury, Ravi Kumar Guntupalli, Srinivasan Vedantham, B. Pillai, Anthony Passalaqua, S. Kollipara

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The sensitometric response of Cd 1-xZn xTe semiconductor detectors using a geometrical chest phantom, within the X-ray diagnostic energy range, has been studied with the aim of optimizing the image quality parameters of these solid state-ionization devices. In addition, the dependence of the spatial resolution of a planar Cd 1-xZn xTe substrate on the phantom thickness has been experimentally determined. The results of this study indicate that Cd 1-xZn xTe detectors exhibit a high signal-to-noise ratio (S/N).

Original languageEnglish (US)
Pages (from-to)252-255
Number of pages4
JournalIEEE Transactions on Instrumentation and Measurement
Volume47
Issue number1
DOIs
StatePublished - 1998
Externally publishedYes

Keywords

  • CdZnTe semiconductors
  • Chest radiography
  • Detector technology
  • Digital radiography
  • Medical imaging sensors

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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