X-ray imaging using single crystal diamond 80μm pitch pixel detector
At a Glance
Section titled “At a Glance”| Metadata | Details |
|---|---|
| Publication Date | 2023-11-04 |
| Authors | Kohei Toyoda, Koji Koyama, Sang‐Woo Kim, Teruki Miyake, Jun‐ichi Nishizawa |
| Institutions | Arkray (Japan), Tohoku University |
Abstract
Section titled “Abstract”In this study, we present an X-ray imaging detector made of single-crystal diamond. Diamond detectors are used in radiotherapy measurements because of their high radiation tolerance and effective atomic number close to that of human tissue. The proposed imager is constructed utilizing a combination of existing technologies; the detector created consists of an indium plate electrode, an 80μm pitch pixelated silver electrode, and a photon-counting readout integrated circuit (ROIC) that operates in hole or electron collection mode. The shape of a 1 mm-thick lead plate was successfully imaged with X-rays emitted from an X-ray tube with a tube voltage of 100 kV. The results of this study motivate the development of an image detector process optimized for single crystal diamond.