Progress in the measurement and reduction of thermal noise in optical coatings for gravitational-wave detectors

被引：33
|
作者：
Granata, M. [1 ]
Amato, A. [1 ]
Cagnoli, G. [2 ]
Coulon, M. [1 ]
Degallaix, J. [1 ]
Forest, D. [1 ]
Mereni, L. [1 ]
Michel, C. [1 ]
Pinard, L. [1 ]
Sassolas, B. [1 ]
Teillon, J. [1 ]
机构：
[1] Univ Lyon, CNRS, Lab Mat Avances IP21, F-69622 Villeurbanne, France
[2] Univ Claude Bernard Lyon 1, Univ Lyon, CNRS, Inst LumiereMat, F-69622 Villeurbanne, France
来源：
APPLIED OPTICS | 2020年 / 59卷 / 05期
关键词：
MECHANICAL LOSS; INTERNAL-FRICTION; TEST MASSES; FILMS;
D O I：
10.1364/AO.377293
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Coating thermal noise is a fundamental limit for precision experiments based on optical and quantum transducers. In this review, after a brief overview of the techniques for coating thermal noise measurements, we present the latest worldwide research activity on low-noise coatings, with a focus on the results obtained at the Laboratoire des Materiaux Avances. We report new updated values for the Ta2O5, Ta2O5 TiO2, and SiO2 coatings of the Advanced LIGO, Advanced Virgo, and KAGRA detectors, and new results from sputtered Nb2O5, TiO2 Nb2O5, Ta2O5 ZrO2, MgF2, AlF3, and silicon nitride coatings. Amorphous silicon, crystalline coatings, high-temperature deposition, multi-material coatings, and composite layers are also briefly discussed, together with the latest developments in structural analyses and models. (C) 2020 Optical Society of America
引用
收藏
页码：A229 / A235
页数：7
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