Crooks, D.R.M. et al. (2004) Experimental measurements of coating mechanical loss factors. Classical and Quantum Gravity, 21(5), S1059 -S1065. (doi:10.1088/0264-9381/21/5/101)
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Publisher's URL: http://dx.doi.org/10.1088/0264-9381/21/5/101
Abstract
All current gravitational wave detectors use test masses coated with alternating layers of two different dielectric materials to form highly reflective mirrors. The thermal noise from mechanical dissipation associated with such coatings may be significant for future detectors such as Advanced LIGO. We have measured the mechanical dissipation of a number of types of coatings formed from SiO2 (silica) and Ta2O5 (tantala). The frequency dependance of the dissipation has been determined, taking into account the contribution of thermoelastic loss.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Cagnoli, Dr Gianpietro and Rowan, Professor Sheila and Crooks, Dr David and Hough, Professor James and Sneddon, Dr Peter |
| Authors: | Crooks, D.R.M., Cagnoli, G., Fejer, M.M., Gretarsson, A.M., Harry, G., Hough, J.,, Nakagawa, N., Penn, S.D., Route, R., Rowan, S., and Sneddon, P. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Classical and Quantum Gravity |
| ISSN: | 0264-9381 |
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