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Titania-doped tantala/silica coatings for gravitational-wave detection

Open access
Harry, Gregory M, Abernathy, Matthew R, Becerra-Toledo, Andres E, Armandula, Helena, Black, Eric, Dooley, Kate, Eichenfield, Matt, Nwabugwu, Chinyere, Villar, Akira, Crooks, D R M, Cagnoli, Gianpietro, Hough, Jim, How, Colin R, MacLaren, Ian, Murray, Peter, Reid, Stuart, Rowan, Sheila, Sneddon, Peter H, Fejer, Martin M, Route, Roger, Penn, Steven D, Ganau, Patrick, Mackowski, Jean-Marie, Michel, Christophe, Pinard, Laurent, Remillieux, Alban·2007·Classical and Quantum Gravity

Abstract

Reducing thermal noise from optical coatings is crucial to reaching the required sensitivity in next generation interferometric gravitational-wave detectors. Here we show that adding TiO 2 to Ta 2 O 5 in Ta 2 O 5 /SiO 2 coatings reduces the internal friction and in addition present data confirming it reduces thermal noise. We also show that TiO 2 -doped Ta 2 O 5 /SiO 2 coatings are close to satisfying the optical absorption requirements of second generation gravitational-wave detectors.

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Metadata

Authors
Harry, G. M., Abernathy, M. R., Becerra-Toledo, A. E., Armandula, H., Black, E., Dooley, K., Eichenfield, M., Nwabugwu, C., Villar, A., Crooks, D. R. M., Cagnoli, G., Hough, J., How, C. R., MacLaren, I., Murray, P., Reid, S., Rowan, S., Sneddon, P. H., Fejer, M. M., Route, R., Penn, S. D., Ganau, P., Mackowski, J.-M., Michel, C., Pinard, L., & Remillieux, A.
Venue
Classical and Quantum Gravity
Published
2006-12-08
Volume
24
Issue
2
Pages
405-415
ISSN
  • 0264-9381 (ISSN-L)
  • 1361-6382
OpenAlex
W2151552813
Cited by
229
References
0
FWCI
3.28
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Titania-doped tantala/silica coatings for gravitational-wave detection. https://app.cochat.ai/papers/10.1088/0264-9381/24/2/008
The paper
Harry, G. M., Abernathy, M. R., Becerra-Toledo, A. E., Armandula, H., Black, E., Dooley, K., Eichenfield, M., Nwabugwu, C., Villar, A., Crooks, D. R. M., Cagnoli, G., Hough, J., How, C. R., MacLaren, I., Murray, P., Reid, S., Rowan, S., Sneddon, P. H., Fejer, M. M., . . . Remillieux, A. (2007). Titania-doped tantala/silica coatings for gravitational-wave detection. Classical and Quantum Gravity. https://doi.org/10.1088/0264-9381/24/2/008

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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