Update on the development of cryogenic sapphire mirrors and their seismic attenuation system for KAGRA

被引：20
|
作者：
Hirose, Eiichi [1 ]
Sekiguchi, Takanori [1 ]
Kumar, Rahul [1 ]
Takahashi, Ryutaro [2 ]
机构：
[1] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
[2] Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan
来源：
CLASSICAL AND QUANTUM GRAVITY | 2014年 / 31卷 / 22期
关键词：
KAGRA; cryogenic; sapphire; seismic attenuation; THERMAL NOISE; ABSORPTION;
D O I：
10.1088/0264-9381/31/22/224004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We describe the recent development of cryogenic sapphire mirrors and their seismic attenuation system (SAS) for the KAGRA gravitational wave detector. We briefly outline the current R&D status of sapphire mirror development. The SAS for the sapphire mirrors is under development, and we report the concept of the system and the sapphire suspension, and predict the performance based on a mathematical model with and without feedback control.
引用
收藏
页数：15
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