Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Fabrication and Characterization of Two-dimensional Fiber-optic Radiation Sensor for High Energy Photon Beam Therapy Dosimetry

고 에너지 광자선 계측용 2차원 광섬유 방사선 센서의 제작 및 특성분석

  • Jang, Kyoung-Won (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Cho, Dong-Hyun (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Shin, Sang-Hun (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Kim, Hyung-Shik (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Yi, Jeong-Han (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Lee, Bong-Soo (School of Biomedical Engineering, College of Biomedical & Health, Research Institute of Biomedical Engineering, Konkuk University) ;
  • Kim, Sin (Department of Nuclear and Energy Engineering, College of Engineering, Cheju National University) ;
  • Cho, Hyo-Sung (Department of Radiation Science, Institute of Health Science, Yonsei University)
  • 장경원 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 조동현 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 신상훈 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 김형식 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 이정한 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 이봉수 (건국대학교 의료생명대학 의학공학부, 의공학 실용기술 연구소) ;
  • 김신 (제주대학교 공과대학 에너지공학과) ;
  • 조효성 (연세대학교 보건대학 방사선학과)
  • Published : 2007.08.25
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Abstract

In this study, a two-dimensional fiber-optic radiation sensor has been developed using water-equivalent organic scintillators for photon beam therapy dosimetry. Two-dimensional photon beam distributions and percent depth doses(PDD) are measured according to the energies and field sizes of the photon beam. This sensor has many advantages such as high resolution, real-time measurement and ease of calibration over conventional radiation measurement devices.

본 연구에서는 유기 섬광체와 플라스틱 광섬유를 이용하여 치료용 광자선의 계측을 위한 2차원 광섬유 방사선 센서를 제작하였다. 제작된 센서를 사용하여 광자선 조사야(Field size)와 에너지에 따른 선형가속기의 빔 분포도를 2차원적으로 측정하였으며 polymethylmethacrylate(PMMA)팬텀 내에서 깊이에 따른 섬광체의 광량을 측정하여 깊이선량 분포(Percent Depth Dose, PDD) 또한 2차원으로 측정하였다. 본 연구를 통하여 개발된 2차원 광섬유 방사선 센서는 고 분해능, 실시간 측정, 쉬운 보정 등 많은 장점을 가지고 있다.

Keywords

References

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  1. Fabrication and Characterization of a Fiber-optic Radiation Sensor for Detection of Tritium vol.20, pp.4, 2009, https://doi.org/10.3807/KJOP.2009.20.4.201