Demonstration of an optical spring in the 100g mirror regime

被引：3
|
作者：
Edgar, M. P. [1 ]
Macarthur, J. [1 ]
Barr, B. W. [1 ]
Hild, S. [1 ]
Huttner, S. [1 ]
Sorazu, B. [1 ]
Strain, K. A. [1 ]
机构：
[1] Univ Glasgow, Sch Phys & Astron, SUPA, Glasgow G12 8QQ, Lanark, Scotland
来源：
CLASSICAL AND QUANTUM GRAVITY | 2016年 / 33卷 / 07期
基金：
英国科学技术设施理事会;
关键词：
optical spring; interferometry; gravitational wave;
D O I：
10.1088/0264-9381/33/7/075007
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Optical rigidity will play an important role in future generations of gravitational wave (GW) interferometers which employ high laser power in order to reach and exceed the standard quantum limit. Several experiments have demonstrated the optical spring effect for very low weight mirror masses. In this paper we extend this to a mass and frequency regime more directly applicable to GW detectors. Using a 100 g end mirror mass we demonstrate an optical spring resonant at 500 Hz and a stiffness of 9.4 x 10(5) N m(-1). The 100 g to 1 kg mass regime may also be useful for the application as a readout mirror for optical bar or optical lever configurations.
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收藏
页数：8
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