Development of a magnetic field measurement instrument for compact cyclotrons

被引：1
|
作者：
Lee, Byeong-No [1 ]
Kim, Hyun-Wook [1 ]
Oh, Jin-Hwan [2 ]
Park, Ki-Hyeon [3 ]
Chai, Jong-Seo [1 ,2 ]
机构：
[1] Sungkyunkwan Univ, Sch Informat & Commun Engn, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, World Class Univ, Dept Energy Sci, Suwon 440746, South Korea
[3] POSTECH, Pohang Accelerator Lab, Pohang 790784, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2012年 / 61卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Cyclotron; Magnetic field measurement; Hall sensor; Hall probe; Electromagnet;
D O I：
10.3938/jkps.61.197
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A magnetic field measurement instrument for compact cyclotrons has been developed. Forty-eight Hall sensors are used for magnetic measurements, and a set of four Hall sensors is allocated to each channel. The magnetic field and the offset are tabulated with a permanent 4,500-G magnet. The measurement device is made to be thin, long, and rectangular, to overcome the narrow gap between upper and lower hills in a compact cyclotron (2 similar to 3 cm). This instrument measures a magnetic field signal in the unit of Tesla and transforms it to a voltage signal as an output. The instrument has a 0.1-percent field-measurement stability margin and can be used to measure the magnetic field produced by a 9-MeV cyclotron magnet.
引用
收藏
页码：197 / 202
页数：6
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