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Proceedings Paper

Measurements of imaging parameters of a phase contrast x-ray imaging prototype
Author(s): Yuhua Li; John Rong; Robert Y. L. Chu; Da Zhang; Ann Archer; Laurie Fajardo; Wei R. Chen; Xizeng Wu; Hong Liu
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Paper Abstract

A high spatial resolution computed radiography (CR) detector was used to develop a phase contrast x-ray imaging prototype with a microfocus x-ray source. The phase contrast imaging was realized with appropriate magnifications. Meanwhile, the basic system parameters, such as the modulation transfer function (MTF) and detective quantum efficiency (DQE) were measured with and without phase contrast effect. The experimental results indicated that the phase contrast can enhance the detectability of the imaging system.

Paper Details

Date Published: 18 February 2008
PDF: 6 pages
Proc. SPIE 6857, Biophotonics and Immune Responses III, 68570G (18 February 2008); doi: 10.1117/12.767925
Show Author Affiliations
Yuhua Li, Univ. of Oklahoma (United States)
John Rong, Univ. of Texas MD Anderson Cancer Ctr. (United States)
Robert Y. L. Chu, Univ. of Oklahoma Health Sciences Ctr. (United States)
Da Zhang, Univ. of Oklahoma (United States)
Ann Archer, Univ. of Oklahoma Health Sciences Ctr. (United States)
Laurie Fajardo, Univ. of Iowa (United States)
Wei R. Chen, Univ. of Central Oklahoma (United States)
Xizeng Wu, Univ. of Alabama at Birmingham (United States)
Hong Liu, Univ. of Oklahoma (United States)

Published in SPIE Proceedings Vol. 6857:
Biophotonics and Immune Responses III
Wei R. Chen, Editor(s)

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