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Proceedings Paper

Scanning translucent glass-ceramic x-ray storage phosphors
Author(s): A. R. Lubinsky; J. A. Johnson; S. Schweizer; J. K. R. Weber; R. M. Nishikawa; P. Domenicali; S. D. Fantone
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Paper Abstract

A simple benchtop apparatus has been built, to measure the x-ray imaging properties of fluorozirconate-based glassceramic x-ray storage phosphor materials. The MTF degradation due to stimulating light spreading in the plate is lower in comparison to optically turbid screens resulting in higher image MTF. In addition, the degree of transparency, or the amount of light scattering at the wavelength of the stimulating (laser) light is adjustable by means of the glass preparation process. The amount of stimulating exposure required for plate readout is generally higher than in previous systems, but well within the range of commercially available laser systems, for practical readout times. The effects of flare or unwanted readout due to back-reflection from the imaging plate is also less than in previous systems. A novel telecentric scanning system has been developed that is able to rapidly read out the latent image stored in the translucent imaging plates. This system features a reflective primary scan mirror to achieve telecentricity, optical correction for scan line bow, and the design should enable the construction of a relatively inexpensive scanner system for the translucent x-ray storage plates.

Paper Details

Date Published: 22 March 2010
PDF: 8 pages
Proc. SPIE 7622, Medical Imaging 2010: Physics of Medical Imaging, 76223W (22 March 2010); doi: 10.1117/12.843346
Show Author Affiliations
A. R. Lubinsky, Stony Brook Univ. (United States)
J. A. Johnson, Univ. of Tennessee Space Institute (United States)
S. Schweizer, Fraunhofer Ctr. for Silicon Voltaics (Germany)
Martin Luther Univ. of Halle-Wittenberg (Germany)
J. K. R. Weber, Materials Development, Inc. (United States)
R. M. Nishikawa, The Univ. of Chicago (United States)
P. Domenicali, Optikos Corp. (United States)
S. D. Fantone, Optikos Corp. (United States)

Published in SPIE Proceedings Vol. 7622:
Medical Imaging 2010: Physics of Medical Imaging
Ehsan Samei; Norbert J. Pelc, Editor(s)

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