Radiation-hard optical link for SLHC

被引：4
|
作者：
Gan, K. K. [1 ]
Fernando, W. [1 ]
Kagan, H. [1 ]
Kassa, R. [1 ]
Law, A. [1 ]
Smith, S. [1 ]
Lebbi, M. R. M. [2 ]
Skubic, P. L. [2 ]
机构：
[1] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[2] Univ Oklahoma, Dept Phys & Astron, Norman, OK 73019 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 596卷 / 01期
关键词：
SLHC; Optical link; Irradiation;
D O I：
10.1016/j.nima.2008.07.121
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We study the feasibility of fabricating an optical link for the SLHC ATLAS silicon tracker based on the current pixel optical link architecture. The electrical signals between the current pixel modules and the optical modules are transmitted via micro-twisted cables. The optical signals between the optical modules and the data acquisition system are transmitted via radiation-hard/low-bandwidth SIMM fibres fusion spliced to radiation-tolerant/medium-bandwidth GRIN fibres. The link has several nice features. We have measured the bandwidths of the micro-twisted-pair cables to be similar to 1 Gb/s and the fusion spliced fibre ribbon to be similar to 2Cb/s. We have irradiated PIN and VCSEL arrays with 24 GeV protons and find the arrays can operate up to the SLHC dosage. We have also demonstrated the feasibility of fabricating a novel opto-pack for housing VCSEL and PIN arrays with BeO as the substrate. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：88 / 92
页数：5
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