辐射防护2023，Vol.43Issue(6)：556-565,10.
脉冲X射线参考辐射场设计与研究
Design and research on pulsed X-ray reference radiation field
摘要
Abstract
International research on radiation protection dosimetry mainly focuses on continuous radiation.However,pulsed radiation has been widely used in the fields of new detector development,industrial flaw detection,X-ray diagnosis,nuclear accident emergency and scientific research.Pulsed radiation dose(rate)measurement is very difficult.In order to solve the technical problem of pulse response test of active radiation dosimeter,the generation principle of pulsed X-ray and gamma ray radiation field is discussed,and the reference radiation field of pulsed X-ray is established based on a variety of X-ray machines.Combined with the secondary standard ionization chamber and pulse time measurement system,the research of pulsed radiation dose(rate)measurement technology is carried out.The experimental results show that the pulse width of the established pulsed X-ray reference radiation field can be adjusted between 25 ns to 10 s,and the instantaneous dose rate range is 5 mSv/h to 6.7×105 Sv/h,which can be widely used to study the pulsed X-ray response characteristics of active radiation dosimeter.This work can be widely used to study the pulse response characteristics of active radiation dosimeter,which is of great significance to solve the calibration problem of pulsed radiation dose monitoring instrument.关键词
脉冲X射线/电离室/主动式辐射剂量仪/响应Key words
pulsed X ray/ionization chamber/active radiation dosimeters/response分类
能源科技引用本文复制引用
高飞,王子业,赵旭,张昕宇,丁雨阳,刘蕴韬,王菲菲,陈义珍,刘佳瑞,倪宁,王子琳..脉冲X射线参考辐射场设计与研究[J].辐射防护,2023,43(6):556-565,10.基金项目
国家质量基础设施体系专项(2022YFF0607303). （2022YFF0607303）
