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

被引：191

作者：

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

机构：

[1] MIT, LIGO Lab, Cambridge, MA 02139 USA

[2] CALTECH, LIGO Lab, Pasadena, CA 91125 USA

[3] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[4] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA

[5] Hobart & William Smith Coll, Dept Phys, Geneva, NY 14456 USA

[6] Lab Mat Advancee Virgo, Lyon, France

来源：

CLASSICAL AND QUANTUM GRAVITY | 2007年 / 24卷 / 02期

关键词：

D O I：

10.1088/0264-9381/24/2/008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 TiO2 to Ta2O5 in Ta2O5/SiO2 coatings reduces the internal friction and in addition present data confirming it reduces thermal noise. We also show that TiO2-doped Ta2O5/SiO2 coatings are close to satisfying the optical absorption requirements of second generation gravitational- wave detectors.

引用

页码：405 / 415

页数：11

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