Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
Volume 46, Issue 25-28, Pages L608-L610Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.46.L608
Keywords
tomosynthesis; shift-and-add; X-ray dark-field imaging; synchrotron radiation; Laue analyzer; articular cartilage
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A finger joint tomogram based on X-ray dark-field imaging (XDFI) was demonstrated using the simplest shift-and-add tomosynthesis algorithm. Raw XDFI image data for tomosynthesis were acquired in a total of 11 views through 10 degrees, in increments of 1 degrees, by rotating the object and detector synchronously. Incident X-ray energy was monochromatic 36.0keV, derived from synchrotron radiation. The total dosage in acquiring 11 views for raw image data was equivalent to that of one XDFI image. A clear tomogram was obtained of a finger joint (including articular cartilage, which is invisible by conventional tomosynthesis) without an increase in X-ray dosage.
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