Takashi Asahara

Precise material identification method based on a photon counting technique with correction of the beam hardening effect in X-ray spectra

Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara et al. · Applied Radiation and Isotopes · 2017 · 37 citations

Materials Science, X-ray Spectroscopy, Engineering +12

Effective atomic number image determination with an energy-resolving photon-counting detector using polychromatic X-ray attenuation by correcting for the beam hardening effect and detector response

Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa et al. · Applied Radiation and Isotopes · 2021 · 30 citations

Radiation Detection, Physics, Health Sciences +9

Exposure dose measurement during diagnostic pediatric X-ray examination using an optically stimulated luminescence (OSL) dosimeter based on precise dose calibration taking into consideration variation of X-ray spectra

Takashi Asahara, Hiroaki Hayashi, Sota Goto et al. · Radiation Measurements · 2018 · 22 citations

Medical Imaging, Calibration, Pediatrics +11

Evaluation of calibration factor of OSLD toward eye lens exposure dose measurement of medical staff during IVR

Takashi Asahara, Hiroaki Hayashi, Sota Goto et al. · Journal of Applied Clinical Medical Physics · 2020 · 22 citations · Full text

Ocular Disease, General Dose Calibration, Treatment Verification +20

An idea to reduce angular dependence of dosimeter having a disk-shaped detection region

Sota Goto, Hiroaki Hayashi, Takashi Asahara et al. · Radiation Measurements · 2020 · 16 citations

Radiation Detection, Medical Imaging, Measurement +9