A scintillating fiber beam-energy monitor for electron beam therapy

被引：5
|
作者：
Aoyama, T
Maekoshi, H
Tsuzaka, M
Koyama, S
机构：
[1] Nagoya University College of Medical Technology, Nagoya, 461, Daikominami, Higashi-ku
来源：
MEDICAL PHYSICS | 1995年 / 22卷 / 12期
关键词：
electron beam; beam energy; energy constancy; quality assurance; scintillating fiber;
D O I：
10.1118/1.597499
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
A new type of beam-energy monitor is described, which has been developed to check the energies of electron beams from radiotherapy accelerators. The monitor consists of a pair of scintillating fibers and photodiode read-out circuits that measure the energy dependence of electron transmission through a wedge-shaped absorber. A linear energy response and 1% accuracy for energy constancy measurements are attained with the monitor. The monitor having advantages of simple mechanical and electronic constructions, small size, and low cost is suitable for practical use as a portable device.
引用
收藏
页码：2101 / 2102
页数：2
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