MG12 - Talk detail
 

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Abstract

Monolithic Suspensions for Advanced Gravitational Wave Detectors

After 5 successful data gathering runs of the worldwide ground-based interferometric gravitational wave detectors a 6th run will soon start with improved sensitivity using “enhanced” detectors. In parallel, work is underway for the “Advanced LIGO” upgrade that is scheduled to be installed from ~2012 and will see a factor of 10 improvement in strain sensitivity. This improvement will be realised by a full redesign of the suspension system for better seismic performance and a lower stage to be constructed from monolithic fused silica to improve the thermal noise performance. In this talk we will present an overview of the ongoing work at the Institute for Gravitational Research (IGR), University of Glasgow to prove and provide the monolithic lower stage for Advanced LIGO.

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