Hough, J. et al. (2011) CO2 laser production of fused silica fibers for use in interferometric gravitational wave detector mirror suspensions. Review of Scientific Instruments, 82(1), 010901. (doi: 10.1063/1.3539776) (PMID:21280808)
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Publisher's URL: http://dx.doi.org/10.1063/1.3539776
Abstract
In 2000 the first mirror suspensions to use a quasi-monolithic final stage were installed at the GEO600 detector site outside Hannover, pioneering the use of fused silica suspension fibers in long baseline interferometric detectors to reduce suspension thermal noise. Since that time, development of the production methods of fused silica fibers has continued. We present here a review of a novel CO2 laser-based fiber pulling machine developed for the production of fused silica suspensions for the next generation of interferometric gravitational wave detectors and for use in experiments requiring low thermal noise suspensions. We discuss tolerances, strengths, and thermal noise performance requirements for the next generation of gravitational wave detectors. Measurements made on fibers produced using this machine show a 0.8% variation in vertical stiffness and 0.05% tolerance on length, with average strengths exceeding 4 GPa, and mechanical dissipation which meets the requirements for Advanced LIGO thermal noise performance.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Grant, Mr Alastair and Heptonstall, Dr Alastair and Bell, Dr Angus and Hammond, Professor Giles and Robertson, Mr Niall and Tokmakov, Dr Kirill and Cagnoli, Dr Gianpietro and Cantley, Dr Caroline and Rowan, Professor Sheila and Kumar, Mr Rahul and Martin, Dr Iain and Cumming, Dr Alan and Crooks, Dr David and Hough, Professor James and Strain, Professor Kenneth and Jones, Mr Russell and Barton, Dr Mark |
| Authors: | Hough, J., Heptonstall, A., Barton, M.A., Bell, A., Cagnoli, G., Cantley, C.A., Crooks, D.R.M., Cumming, A., Grant, A., Hammond, G.D., Harry, G.M., Jones, R., Kelley, D., Kumar, R., Martin, I.M., Robertson, N.A., Rowan, S., Strain, K.A., Tokmakov, K., and Van Veggel, M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Review of Scientific Instruments |
| ISSN: | 0034-6748 |
| ISSN (Online): | 1089-7623 |
| Published Online: | 21 January 2011 |
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