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Proceedings Paper

Compact X-Ray Ring Facility For Medical Diagnosis Of The Hospital Scale
Author(s): Takio Tomimasu
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Paper Abstract

A compact X-ray ring of about 13 m diameter with two multipole 12-T superconducting wigglers is proposed as 34-keV photon sources for Didital Subtraction Angiography (DSA) of the hospital scale making use of the electron undulating method which allows a uniform wide-area exposure of human heart to 34-keV photons. The whole facility including the 1.5-GeV compact conventional type ring of triplet-achromat type lattice, two compact wigglers, two short beam lines (several meters long), and a short electron injector can be installed in a space of about 30 m square. A twenty cycle expansion of the exposed area of 33~ 34 keV photons to human heart is most effectively achieved by the combination of the electron undulating method and the asymmetric crystal diffraction method. A photon fluence rate of more than 2.4x 1014 photons/s with a 0.1% photon energy spread can be expected for a horizontal opening angle of 10 mrad, at a stored beam current of 0.5 A, by using a wiggler consisting of three magnets plus two magnets of half the deflection on either end of the wiggler.

Paper Details

Date Published: 27 November 1989
PDF: 7 pages
Proc. SPIE 1140, X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation, (27 November 1989); doi: 10.1117/12.961825
Show Author Affiliations
Takio Tomimasu, Electrotechnical Laboratory (Japan)


Published in SPIE Proceedings Vol. 1140:
X-Ray Instrumentation in Medicine and Biology, Plasma Physics, Astrophysics, and Synchrotron Radiation

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