[2H15-20] Internal Exposure and Radiation Medicine

[2H17] Development of thyroid dose monitoring system using gamma-ray spectrometers

(4) Fabrication and characteristic test of the prototype monitor

*Yoshihiko Tanimura¹, Sho Nishino¹, Hiroshi Yoshitomi¹, Masa Takahashi¹ (1. JAEA)

Keywords:Thyroid, Radio iodine, Internal exposure, CdZnTe semiconductor detector, LaBr3(Ce) scintillation detector

A portable thyroid dose monitoring system using gamma-ray spectrometers has been developed in order to assess the equivalent dose to the thyroid for workers and members of the public in a high dose rate environment at an early stage after a nuclear accident. A prototype monitor was fabricated and characterized using our gamma-ray calibration fields.