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Seismic isolation for Advanced LIGO

R Abbott1, R Adhikari2, G Allen3, S Cowley3, E Daw4, D DeBra5, J Giaime4,8, G Hammond6, M Hammond7, C Hardham3, J How3, W Hua3, W Johnson4, B Lantz3, K Mason2, R Mittleman2, J Nichol3, S Richman2, J Rollins2, D Shoemaker2, G Stapfer7 and R Stebbins6

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The baseline design concept for a seismic isolation component of the proposed 'Advanced LIGO' detector upgrade has been developed with proof-of-principle experiments and computer models. It consists of a two-stage in-vacuum active isolation platform that is supported by an external hydraulic actuation stage. Construction is underway for prototype testing of a full-scale preliminary design.


PACS

04.80.Nn Gravitational wave detectors and experiments

07.10.Fq Vibration isolation

07.60.Ly Interferometers

MSC

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Dates

Issue 7 (7 April 2002)

Received 10 October 2001, in final form 14 November 2001

Published 14 March 2002



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