TMU Lab-Grown Diamond Dosimeter Breakthrough | Japan
Tokyo Metropolitan University's heteroepitaxial diamond dosimeter offers unprecedented sensitivity for X-ray diagnostics and therapy, promising compact, consistent dose monitoring.
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Kiyomitsu Shinsho is a professor in the Department of Radiological Sciences at Tokyo Metropolitan University. He leads the Shinsho Laboratory, which focuses on advancing radiation measurement and medical physics through the development of advanced radiation detectors based on diamond and ceramic materials.
His research emphasizes diamond-based radiation detector development, leveraging properties such as wide bandgap, tissue equivalence, and high radiation hardness to create high-sensitivity detectors for X-rays to particle beams. Additional work involves elucidating mechanisms of optically stimulated luminescence (OSL) and thermoluminescence (TL) in diamond and related materials to develop practical dosimeters. The laboratory conducts medical radiation measurement and quality assurance in areas including X-ray imaging, interventional radiology, BNCT, FLASH radiotherapy, and particle therapy. Collaborative efforts with institutions such as the National Institute of Radiological Sciences (QST-NIRS) address patient dose management and optimization in CT and radiotherapy. Recent laboratory outputs include publications in journals such as Medical Physics and Radiological Physics and Technology, along with recognitions for associated researchers and students.
Tokyo Metropolitan University's heteroepitaxial diamond dosimeter offers unprecedented sensitivity for X-ray diagnostics and therapy, promising compact, consistent dose monitoring.