Radiation hard optical links for the ATLAS SCT and pixel detectors

被引:0
|
作者
Dowell, JD [1 ]
Charlton, DG [1 ]
Homer, RJ [1 ]
Jovanovic, P [1 ]
Kenyon, IR [1 ]
Mahout, G [1 ]
Shaylor, HR [1 ]
Wilson, JA [1 ]
Gregor, IM [1 ]
Wastie, R [1 ]
Weidberg, AR [1 ]
Galagedera, S [1 ]
Morrissey, MC [1 ]
Troska, J [1 ]
White, DJ [1 ]
Rudge, A [1 ]
Chu, ML [1 ]
Lee, SC [1 ]
Teng, PK [1 ]
机构
[1] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
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中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
A radiation hard optical readout system designed for the ATLAS Semiconductor Tracker (SCT) is described. Two independent versions of the front-end optical package housing two VCSEL emitters and an epitaxial Si PIN photodiode have been irradiated with neutron fluences over 10(15) n cm(-2), the level encountered in the ATLAS pixel detector. Environmental tests have been performed down to -20 degreesC. Extensive radiation and lifetime tests have also been carried out on the opto-electronic components and the front-end VCSEL driver and timing/ control ASICs. Bit error rate, cross-talk and single event upset measurements using irradiated devices show that the system meets the performance specification.
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页码:1246 / 1247
页数:2
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