Optical Links for ATLAS Liquid Argon Calorimeter Front-end Electronics Readout
Tiankuan Liu (for the ATLAS Liquid Argon Calorimeter Group)
TL;DR
This paper discusses the development and challenges of optical data links for the ATLAS liquid argon calorimeter, including failure analysis, troubleshooting, and backup strategies for optical transmitters.
Contribution
It provides an update on the failure analysis, troubleshooting experiences, and backup plans for optical links in the ATLAS calorimeter system.
Findings
Identification of laser failure causes
Implementation of backup optical transmitters
Lessons learned in failure management
Abstract
We present the optical data links for the ATLAS liquid argon calorimeter. The current status of the vertical cavity surface emitting laser failures, the up-to-date results in searching for the failure cause, experiences gained in the searching process, possible backup plans for the optical transmitters and the lessons learned are also discussed.
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