A Feasibility Study on the Lens of Eye Dose Assessment Using the System of Multi-Element TLD

다중소자 열형광선량계에 의한 수정체 등가선량 평가의 적정성 연구

  • 이나래 (과학기술연합대학원대학교) ;
  • 한승재 (과학기술연합대학원대학교) ;
  • 이병일 (방사선보건연구원) ;
  • 조건우 (과학기술연합대학원대학교)
  • Received : 2012.04.04
  • Accepted : 2012.06.05
  • Published : 2012.06.30


International Commission on Radiological Protection (ICRP) has revised its recommendations concerning the tissue reaction to ionizing radiation in accordance with consideration of the detriment arising from non-cancer effects of radiation on health based on recent epidemiological basis. Particularly, for the lens of the eye, the threshold in absorbed dose revised to be 0.5 Gy, for occupational exposure in planned exposure situation the commission recommended "An equivalent dose limit for the lens of the eye of 20 mSv in a year, averaged over defined periods of 5 years, with no single year exceeding 50 mSv." To monitor the radiation exposure of radiation worker, TLD is typically provided and the lens of eye dose can be assessed by run of dose calculation algorithm with TL element response data. This study is to assess equivalent dose of the lens of eye using the Harshaw TLD system and its two different dose calculation algorithms. The result provides the Harshaw TLD system showed the assessment of the lens of eye dose with 48.84% error range.


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