Experimental study on build up characteristic of glass dosimeter of preheat and Non-preheat in low energy according to delay time

저에너지X선 영역에서 유리선량계의 preheat과 Non-preheat과의 시간에 따른 build up 특성에 관한 연구

  • Son, Jin-Hyun (Department of Biomedical Engineering, Chungnam National University) ;
  • Min, Jung-Whan (Department of Radiology, Shin-Gu University) ;
  • Kim, Ki-Won (Department of Radiology, Shin-Gu University) ;
  • Son, Soon-Yong (Department of Radiology, Asan Medical Center) ;
  • Lim, Hyun-Soo (Department of Biomedical Engineering, Chungnam National University)
  • 손진현 (충남대학교 의과대학 의공학과) ;
  • 민정환 (신구대학교 방사선과) ;
  • 김기원 (신구대학교 방사선과) ;
  • 손순륭 (아산병원 영상의학과) ;
  • 임현수 (충남대학교 의과대학 의공학과)
  • Received : 2013.06.17
  • Accepted : 2013.07.11
  • Published : 2013.07.31


The Purpose of this study was to evaluate by comparing the dose change and build up characteristic according to delay time in 30 days of glass dosimeter processed preheat and non preheat when measuring accumulation dose of radiation by using glass dosimeter over the long haul. For obtaining low dose with 0.1 mGy, 1 mGy and 5 mGy, we employed diagnostic generator AccuRay-650R. We compared the build up characteristic over the long haul by exposuring radiation to 30 glass dosimeters sorted into 10 glass dosimeters per tube voltage and current. In Non preheat glass dosimeter, initial measured dose was inferior to exposed dose but as time goes on, was close to exposed dose steadily. In 72 hour after experiment end, non preheat glass dosimeters were not indicated the difference from preheat glass dosimeters and statistical analysis were meaningful (p>0.05). Initial measured dose for low glass dosimeter processed preheat was close to exposed dose and stable. After 15 days dose was gradually increased. Previous study characteristics of glass dosimeter were with respect to characteristic of glass dosimeter in high dose of high energy area. However, in this study, we make a judgment to measure the dose of glass dosimeter without preheat processing when measuring the accumulation dose of low dose in conclusion.


Glass dosimeter;Preheat;Non preheat


Supported by : 신구대학교


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