Fienga, Francesco (2017) Innovative application of fiber optic sensors in high energy physics experiments. [Tesi di dottorato]

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Item Type: Tesi di dottorato
Lingua: English
Title: Innovative application of fiber optic sensors in high energy physics experiments
Creators:
CreatorsEmail
Fienga, Francescofrancesco.fienga@unina.it
Date: 3 May 2017
Number of Pages: 145
Institution: Università degli Studi di Napoli Federico II
Department: Ingegneria Elettrica e delle Tecnologie dell'Informazione
Dottorato: Information technology and electrical engineering
Ciclo di dottorato: 29
Coordinatore del Corso di dottorato:
nomeemail
Riccio, Danieledaniele.riccio@unina.it
Tutor:
nomeemail
Giovanni, BreglioUNSPECIFIED
Salvatore, BuontempoUNSPECIFIED
Date: 3 May 2017
Number of Pages: 145
Uncontrolled Keywords: FBG, HEP, CMS, LHC, STRAIN, TEMPERATURE, MONITORING SYSTEM
Settori scientifico-disciplinari del MIUR: Area 09 - Ingegneria industriale e dell'informazione > ING-INF/01 - Elettronica
Date Deposited: 09 May 2017 16:26
Last Modified: 08 Mar 2018 13:28
URI: http://www.fedoa.unina.it/id/eprint/11832
DOI: 10.6093/UNINA/FEDOA/11832

Abstract

This thesis describes the innovative applications to the monitoring in harsh environment, represented by the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC), of the Fibre Bragg Grating (FBG) technology, which, although invented almost 40 years ago, is currently undergoing an explosion in variant manufacturing technologies and applications. The environment inside a large particle physic experiment like the CMS poses several challenges of monitoring spatially varying quantities in an aggressive environment, with high radiation, high magnetic field, tight electromagnetic compatibility (EMC) requirements, where particle detection priorities require monitoring sensors to have very low mass and associated service volume as well as excellent EMC compliance, conditions that can be very well satisfied by FBG-based sensors inscribed on optical fibres. The particular application described here is the monitoring of strain and temperature variation along the beryllium central beam pipe, a vacuum chamber which carries the counter-rotating proton beams in the Large Hadron Collider (LHC) to collisions within the CMS experiment.

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