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Mechanical loss factors of materials and suspension systems for advanced gravitational wave detectors

Rowan, S., Alexandrovski, A., Cagnoli, G., Fejer, M.M., Gustafson, E.K., Hough, J., McIntosh, S., Sneddon, P., and Route, R. (2000) Mechanical loss factors of materials and suspension systems for advanced gravitational wave detectors. In: 3rd Eduardo Amaldi conference on gravitational waves, July 1999, Pasadena, CA.

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Publisher's URL: http://dx.doi.org/10.1063/1.1291870

Abstract

The thermal noise of the fused silica test masses and their metal suspension fibers presents a significant limitation to the sensitivity of interferometric gravitational wave detectors. Advanced suspensions are likely to require the use of materials of substantially lower mechanical loss. Here we present measurement of the mechanical loss of fused quartz elements suitable for use as suspension fibers in an advanced suspension system and summarize measurements of the mechanical and optical loss of potential replacement test mass materials.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cagnoli, Dr Gianpietro and Rowan, Prof Sheila and Hough, Prof James and Sneddon, Dr Peter
Authors: Rowan, S., Alexandrovski, A., Cagnoli, G., Fejer, M.M., Gustafson, E.K., Hough, J., McIntosh, S., Sneddon, P., and Route, R.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:AIP Conference Proceedings
ISSN:0094-243X

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