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The radiation hardness of silica optical fiber used in the LED-fiber monitor of BLM and BESIII EMC
Xue Z(薛镇); Hu T(胡涛); Fang J(方建); Xue, Z; Hu, T; Fang, J; Xu, ZZ; Wang, XL; Lu, JG; Zhou, L; Cai, X; Yu, BX; Wang, ZG; Sun, LJ; Sun, XL; Zhang, AW; Lv JG(吕军光); Zhou L(周莉); Cai X(蔡啸); Yu BX(俞伯祥); Wang ZG(王志刚); Sun LJ(孙立娟); Sun XL(孙希磊); Zhang AW(章爱武)
2012
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
卷号664期号:1页码:71-74
摘要LED-fiber system has been used to monitor BLM and BESIII EMC. A radiation hard silica optical fiber is essential for its stability and reliability. Three types of silica optical fibers, silicone-clad silica optical fiber with high OH- content (SeCS), silica-clad silica optical fiber with low OH- content (SCSL) and silica-clad silica opical fiber with high OH- content (SCSH) were studied. In the experiment, 12 groups of fiber samples were irradiated by Co-60 and 3 groups of fiber samples were irradiated by BEPCII background radiation. Radiation hardness: the radiation hardness of SCSH is best and meets the radiation hardness requirement for LED-fiber monitor of BLM and BESIII EMC. The transmission of SeCS and SCSH decreased to around 80% under the Co-60-irradiation of 5 Gy and 10 Gy, respectively. The radiation hardness of SeCS is worst because of its silicone cladding. Recovery characteristics: Co-60-irradiated by the same doses, there were both more annealable and more permanent color centers formed in SeCS than SCSI, and for the same kind of fibers, as long as the irradiated doses are under a certain amount (for example, less than 5 Gy for SeCS), the higher the doses, both the more annealable and the more permanent color centers are formed. (C) 2011 Elsevier B.V. All rights reserved.
关键词LED-fiber monitor Silica optical fiber Radiation hardness BLM EMC
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy
DOI10.1016/j.nima.2011.10.038
收录类别SCI
WOS记录号WOS:000299592000010
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223819
专题实验物理中心
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Xue Z,Hu T,Fang J,et al. The radiation hardness of silica optical fiber used in the LED-fiber monitor of BLM and BESIII EMC[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2012,664(1):71-74.
APA 薛镇.,胡涛.,方建.,Xue, Z.,Hu, T.,...&章爱武.(2012).The radiation hardness of silica optical fiber used in the LED-fiber monitor of BLM and BESIII EMC.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,664(1),71-74.
MLA 薛镇,et al."The radiation hardness of silica optical fiber used in the LED-fiber monitor of BLM and BESIII EMC".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 664.1(2012):71-74.
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