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http://dx.doi.org/10.14316/pmp.2015.26.2.99

Development of Monitor Chamber Prototype and Basic Performance Testing  

Lee, Mujin (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Lim, Heuijin (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Lee, Manwoo (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Yi, Jungyu (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Rhee, Dong Joo (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Kang, Sang Koo (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Jeong, Dong Hyeok (Research Center, Dongnam Inst. of Radiological & Medical Sciences)
Publication Information
Progress in Medical Physics / v.26, no.2, 2015 , pp. 99-105 More about this Journal
Abstract
The monitor chamber is a real time dosimetry device for the measurement and the control of radiation beam intensity of the linac system. The monitor chamber prototype was developed for monitoring and controlling radiation beam from the linac based radiation generator. The thin flexible printed circuit boards were used for electrodes of the two independent plane-parallel ionization chambers to minimize the attenuation of radiation beam. The dosimetric characteristics, saturation and linearity of the measured charge, were experimentally evaluated with the Co-60 gamma rays. The performance of the developed monitor chamber prototype was in an acceptable range and this study shows the possibility of the further development of the chamber with additional functions.
Keywords
Monitor chamber; Linac; Dosimetric characteristics;
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