Radiographic Imaging Using Multilayer Mirrors

Robert S. Nelson; Reuven D. Zach; Eric Ziegler; Patrick J. Papin; Zoran L. Barbaric; Anthony R. Ricci; Lawrence W. Bassett

doi:10.1117/12.966988

1 January 1987 Radiographic Imaging Using Multilayer Mirrors

Robert S. Nelson, Reuven D. Zach, Eric Ziegler, Patrick J. Papin, Zoran L. Barbaric, Anthony R. Ricci, Lawrence W. Bassett

Author Affiliations +

Proceedings Volume 0767, Medical Imaging; (1987) https://doi.org/10.1117/12.966988
Event: Medical Imaging, 1987, Newport Beach, CA, United States

Abstract

It is desirable to limit detected x-ray scatter and the x-ray beam bandwidth since these two factors will affect image contrast or data used for material composition analysis. Substantial scatter reduction is possible if slit scan imaging techniques are utilized. A multilayer structure which is comprised of a stack of high and low atomic number materials can be used in the reflective mode to generate a narrow bandwidth slit-like x-ray beam. Theoretical reflectivity data for multilayer mirror designs which could be used for mammography, the imaging of iodinated contrast material, CT and dual energy analysis are presented. A breast phantom was imaged at 21 KeV using a ReW-C multilayer, a radiographic W-anode source and a screen-film receptor. Reflected spectra were measured with the ReW-C multilayer and a Mo anode tube. Modifications to the mirror-based imaging system and the need for an efficient detector are considered as means of reducing tube heating.

Citation Download Citation

Robert S. Nelson, Reuven D. Zach, Eric Ziegler, Patrick J. Papin, Zoran L. Barbaric, Anthony R. Ricci, and Lawrence W. Bassett "Radiographic Imaging Using Multilayer Mirrors", Proc. SPIE 0767, Medical Imaging, (1 January 1987); https://doi.org/10.1117/12.966988

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