Development of laser stabilisation techniques for fused silica fibres

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The University of Glasgow leads the development of the fused silica suspensions for the advanced LIGO gravitational wave detectors in the US. As part of the LIGO A+ upgrade (with UK contribution funded by STFC) the fused silica fibre pulling machine at the Hanford site will be upgraded. Part of this upgrade is the implementation of a stabilisation loop based on the temperature of the melt during the pulling process. This will result in fibres with improved strength and dimensional tolerance.