Korean J Med Phys.
2008 Dec;19(4):285-290.
Fabrication and Characterization of a One-dimensional Fiber-optic Dosimeter for Electron Beam Therapy Dosimetry
- Affiliations
-
- 1School of Biomedical Engineering, Research Institute of Biomedical Engineering, Konkuk University, Chungju, Korea.
- 2Department of Energy and Environmental System Engineering, Dongguk University, Gyeongju, Korea.
- 3Department of Energy and Environmental Engineering, Soonchunhyang University, Asan, Korea.
Abstract
- In this study, we have fabricated a one-dimensional fiber-optic dosimeter for electron beam therapy dosimetry. Each fiber-optic dosimeter has an organic scintillator with a plastic optical fiber and it is embedded and arrayed in the plastic phantom to measure one-dimensional high energy electron beam profile of clinical linear accelerator. The scintillating lights generated from each sensor probe are guided by plastic optical fibers to the multi-channel photodiode amplifier system. We have measured one-dimensional electron beam profiles in a PMMA phantom according to different field sizes and energies of electron beam. Also, the isodose and three-dimensional percent depth dose curves in a PMMA phantom are obtained using a one-dimensional fiber-optic dosimeter with different electron beam energies.