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The optical links of the ATLAS SemiConductor Tracker

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A Abdesselam18, P P Allport12, R J Apsimon20, C Band18, A J Barr18, L Batchelor20, R Bates8, P Bell4, J Bernabeu23, J Bizzell20, R Brenner22, T Brodbeck10, P Bruckman De Renstrom18, C Buttar8, J R Carter5, D G Charlton4, A Cheplakov8, A Chilingarov10, M L Chu1, A-P Colijn16, I Dawson4, B Demirkõz18, P de Jong16, P J Dervan12, Z Dolezal19, J D Dowell4, C Escobar23, E Spencer14, T Ekelof22, L Eklund22, D Ferrere7, T J Fraser13, M French20, R French21, J Fuster23, B J Gallop4, C García23, M J Goodrick5, A Greenall12, A A Grillo14, J Grosse-Knetter6, F Hartjes16, N P Hessey16, J C Hill5, R J Homer4, L S Hou1, G Hughes10, Y Ikegami9, C Issever18, J N Jackson12, M Jones18, T J Jones12, P Jovanovic4, E Koffeman16, P Kodys19, T Kohriki9, S -C Lee1, C G Lester5, M Limper16, S W Lindsay12, M Lozano2, C P Macwaters20, C A Magrath16, G Mahout4, I Mandić11, J Matheson20, T J McMahon4, B Mikulec7, A J M Muijs16, M Morrissey20, A Nichols20, R B Nickerson18, V O'Shea8, S Pagenis21, M A Parker5, J Pater15, E Perrin7, H Pernegger6, S J M Peeters16, P W Phillips20, M Postranecky13, D Robinson5, A Robson8, A Rudge6, H Sandaker17, K Sedlak18, N A Smith12, S Stapnes17, B Stugu3, P K Teng1, S Terada9, A Tricoli18, M Tyndel20, N Ujiie9, M Ullán2, Y Unno9, E van der Kraaij16, I van Vulpen16, G Viehhauser18, J H Vossebeld12, M R M Warren13, R L Wastie18, A R Weidberg18, P S Wells6, D J White20 and J A Wilson4

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Optical links are used for the readout of the 4088 silicon microstrip modules that make up the SemiConductor Tracker of the ATLAS experiment at the CERN Large Hadron Collider (LHC). The optical link requirements are reviewed, with particular emphasis on the very demanding environment at the LHC. The on-detector components have to operate in high radiation levels for 10 years, with no maintenance, and there are very strict requirements on power consumption, material and space. A novel concept for the packaging of the on-detector optoelectronics has been developed to meet these requirements. The system architecture, including its redundancy features, is explained and the critical on-detector components are described. The results of the extensive Quality Assurance performed during all steps of the assembly are discussed.

Keywords

Electronic detector readout concepts (solid-state)

Optical detector readout concepts

PACS

29.40.Gx Tracking and position-sensitive detectors

84.30.-r Electronic circuits

29.40.Wk Solid-state detectors

42.79.Sz Optical communication systems, multiplexers, and demultiplexers

Subjects

Accelerators, beams and electromagnetism

Electronics and devices

Nuclear physics

Instrumentation and measurement

Optics, quantum optics and lasers

Particle physics and field theory

Dates

Issue 09 (September 2007)

Received 4 July 2007, accepted for publication 26 August 2007

Published 6 September 2007



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