Gigabit optical link test system for RPC muon trigger in the CMS experiment

Krzysztof T. Pozniak; Mariusz Ptak; Ryszard S. Romaniuk; Krzysztof Kierzkowski; Ignacy M. Kudla; Michal Pietrusinski; Grzegorz Wrochna; Kukka Banzuzi; Donatella Ungaro

doi:10.1117/12.531572

24 October 2003 Gigabit optical link test system for RPC muon trigger in the CMS experiment

Krzysztof T. Pozniak, Mariusz Ptak, Ryszard S. Romaniuk, Krzysztof Kierzkowski, Ignacy M. Kudla, Michal Pietrusinski, Grzegorz Wrochna, Kukka Banzuzi, Donatella Ungaro

Author Affiliations +

Proceedings Volume 5125, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments; (2003) https://doi.org/10.1117/12.531572
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2002, 2002, Wilga, Poland

Abstract

High-energy experiments like Atlas, Alice, CMS or LHCb at the LHC accelerator at CERN will be performed in very harsh conditions for electronic equipment. High radiation level in the experimental halls causes that commonly available electronic devices do not work properly. A specialized optical transmitter--GOL (Gigabit Optical Link) has been designed at CERN to meet the radiation environment requirements. The design goal was to supply device resistant to high radiation, fast, and being able to transmit data through optical links. Transmitter was designed considering two important characteristics of its work environment: high radiation level and gigabit transmission speed. Proper internal structure of GOL chip allows to minimize single event upsets (SEU) caused by ionizing radiation. Unfortunately, the design does not elimiate SEU completely. This paper presents testing system for the GOL. Its main purpose is testing new prototypes of optical fiber gigabit transmission systems using GOL transmitter and commercial receiver components. The system will be implemented in the CMS experiment for control purposes. It will monitor optical link and transmission quality in the RPC detector. System consits of hardware layer and software layer. Hardware layer, based on Latera FPGA programmable devices. Software has been developed using C++ environment integrated with VME controller hardware.

Citation Download Citation

Krzysztof T. Pozniak, Mariusz Ptak, Ryszard S. Romaniuk, Krzysztof Kierzkowski, Ignacy M. Kudla, Michal Pietrusinski, Grzegorz Wrochna, Kukka Banzuzi, and Donatella Ungaro "Gigabit optical link test system for RPC muon trigger in the CMS experiment", Proc. SPIE 5125, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments, (24 October 2003); https://doi.org/10.1117/12.531572

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