LED MONITORING-SYSTEM FOR A LARGE LEAD-GLASS COUNTER ARRAY

被引:14
作者
MADARAS, RJ
PARDOE, B
PECYNER, R
机构
[1] Lawrence Berkeley Laboratory, University of California, Berkeley
来源
NUCLEAR INSTRUMENTS & METHODS | 1979年 / 160卷 / 02期
关键词
D O I
10.1016/0029-554X(79)90602-5
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We have built and operated a system which monitors the gains of 318 lead-glass counters as a function of time with an accuracy of 1-2%. The light source is a single high-intensity yellow light-emitting diode (LED), and the light is transmitted to each of the counters by low-attenuation plastic optical fibers. The intensity of the LED light is measured by a reference scintillation counter whose gain is known from frequent 241AmNal light source and cosmic ray measurements. We present here details of the system and of its performance during a nine-month experiment at SPEAR. © 1979.
引用
收藏
页码:263 / 271
页数:9
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