Development of an analogue optical link for the front-end read-out of the ATLAS electromagnetic calorimeter - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Year : 1999

Development of an analogue optical link for the front-end read-out of the ATLAS electromagnetic calorimeter

Abstract

We have developed an analogue optical data transmission system intended to meet the read-out requirements of the ATLAS liquid argon electromagnetic calorimeter. Eight-way demonstrators have been built and tested. The link uses arrays of VCSEL diodes as the optical emitters, coupled to a 70 m long fibre ribbon to simulate the distance between the detector and the control room. The receiver is based around a custom-designed PIN photodiode array. We describe here the final results of laboratory tests on a demonstrator, laying stress on the VCSEL-to-fibre coupling issues, and the overall performance of the full link. A 9-bit dynamic range is achieved, with a 5% non-linearity. (Elsevier)

Dates and versions

in2p3-00003679 , version 1 (29-07-1999)

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Cite

B. Dinkespiler, M. Jevaud, C. Olivetto, O. Martin, A. Mirea, et al.. Development of an analogue optical link for the front-end read-out of the ATLAS electromagnetic calorimeter. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1999, 431, pp.531-547. ⟨10.1016/S0168-9002(99)00304-6⟩. ⟨in2p3-00003679⟩
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