RADIATION POSITION-SENSITIVE DETECTOR BASED ON PLASTIC SCINTILLATING FIBERS

被引：1
|
作者：
IKHLEF, A
SKOWRONEK, M
机构：
[1] Laboratoire des Plasmas Denses (CNRS-URA 1096) T 12 E5, Université Pierre et Marie Curie, F-75252 Paris, 4, Place Jussieu
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1993年 / 64卷 / 09期
关键词：
D O I：
10.1063/1.1143868
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The applicability of plastic scintillation fibers as a radiation position detector is evaluated for low-energy x-ray irradiation. A continuous x-ray generator with a copper anode is used as a source radiating very intense lines: K(alpha2)=8.02 keV, K(alpha1)=8.04 keV, K(beta1)=8.9 keV. A microchannel intensified tube followed by a vidicon camera is used as the photodetector for scintillation light guided to both extremities of a fiber detector. A one-dimensional position-sensitive radiation detector is constructed as an application. The irradiation position is derived independently of the system operating conditions (gain, sensitivity, efficiency) with a relative error smaller than 4%. Using this device, the optical attenuation length is measured with a relative error less than 10%. The differences in the photon distribution at fiber terminating faces are discussed for light and for x-ray excitations with respect to their incidence angles.
引用
收藏
页码：2566 / 2569
页数：4
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