Granata, M. et al. (2013) Cryogenic measurements of mechanical loss of high-reflectivity coating and estimation of thermal noise. Optics Letters, 38(24), pp. 5268-5271. (doi: 10.1364/OL.38.005268) (PMID:24322234)
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Publisher's URL: http://dx.doi.org/10.1364/OL.38.005268
Abstract
We report on low-frequency measurements of the mechanical loss of a high-quality (transmissivity T<5 ppm at λ0=1064 nm, absorption loss <0.5 ppm) multilayer dielectric coating of ion-beam-sputtered fused silica and titanium-doped tantala in the 10–300 K temperature range. A useful parameter for the computation of coating thermal noise on different substrates is derived as a function of temperature and frequency.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Craig, Mr Kieran and Cagnoli, Dr Gianpietro and Rowan, Professor Sheila and Martin, Dr Iain and MacLaren, Dr Ian and Cunningham, Dr Liam and Hough, Professor James and HART, Martin |
| Authors: | Granata, M., Craig, K., Cagnoli, G., Carcy, C., Cunningham, W., Degallaix, J., Flaminio, R., Forest, D., HART, M., Hennig, J.-S., Hough, J., MacLaren, I., Martin, I. W., Michel, C., Morgado, N., Otmani, S., Pinard, L., and Rowan, S. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Research Centre: | College of Science and Engineering > School of Physics and Astronomy > Institute for Gravitational Research |
| Research Group: | Institute for Gravitational Research |
| Journal Name: | Optics Letters |
| Publisher: | Optical Society of America |
| ISSN: | 0146-9592 |
| ISSN (Online): | 1539-4794 |
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