ATLAS is a general purpose experiment approved for the LHC collider at CERN. An important component of the detector is the central hadronic calorimeter; for its construction more than 600,000 Wave Length Shifting fibres (corresponding to a total length of 1120 km) have been used. We have built and put into operation a dedicated instrument for the measurement of light yield and attenuation length over groups of 20 fibres at a time. The overall accuracy achieved in the measurement of light yield (attenuation length) is 1.5% (3%). We also report the results obtained using this method in the quality control of a large sample of fibres. (C) 2002 Elsevier Science B.V. All rights reserved.

A device to characterize optical fibres

CAVASINNI, VINCENZO;RODA, CHIARA MARIA ANGELA;
2002

Abstract

ATLAS is a general purpose experiment approved for the LHC collider at CERN. An important component of the detector is the central hadronic calorimeter; for its construction more than 600,000 Wave Length Shifting fibres (corresponding to a total length of 1120 km) have been used. We have built and put into operation a dedicated instrument for the measurement of light yield and attenuation length over groups of 20 fibres at a time. The overall accuracy achieved in the measurement of light yield (attenuation length) is 1.5% (3%). We also report the results obtained using this method in the quality control of a large sample of fibres. (C) 2002 Elsevier Science B.V. All rights reserved.
Bosi, F; Burdin, S; Cavasinni, Vincenzo; Costanzo, D; Del Prete, T; Flaminio, V; Mazzoni, E; Roda, CHIARA MARIA ANGELA; Usai, G; Vasiljev, A.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/184447
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