Low-loss and high damage-threshold mirror development for gravitational-wave detectors

被引：0
|
作者：
Tatsumi, Daisuke [1 ]
Ueda, Akitoshi [1 ]
Yoneda, Hitoki [2 ]
Sato, Kazunari [3 ]
机构：
[1] Natl Astron Observ Japan, 2-21-1 Osawa, Tokyo 1818588, Japan
[2] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan
[3] SIGMA KOKI CO LTD, Saitama 3501297, Japan
来源：
LASER-INDUCED DAMAGE IN OPTICAL MATERIALS: 2014 | 2014年 / 9237卷
关键词：
Low optical loss; High laser damage-threshold; gravitational-wave detector;
D O I：
10.1117/12.2064809
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Low-loss and high damage threshold mirrors are needed for laser interferometer-type gravitational-wave detectors. Collaborative development with Japanese company of SIGMA KOKI CO., LTD., National astronomical observatory of Japan and Institute for Laser Science, University of Electro-Communications was made for this purpose. As a result, high reflectivity mirror of 99.99% for 1064nm has both low-scattering loss of less than 10ppm and high-damage threshold of over 400 J/cm(2). Such mirrors can be applied for high finesse cavity of more than 10000 with high laser input power of over 10 Watts. The mirror will offer great benefit for various precise measurements with high power lasers.
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页数：7
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