低温激光干涉引力波探测器中热涨落的降低
广义相对论与量子宇宙学
2015-06-04 v1 仪器与探测器
摘要
镜面热涨落是干涉式引力波探测器的基本限制。在这里，我们首次实验展示了在引力波探测器中，通过使用来自低温激光干涉仪天文台的蓝宝石镜片在17\,K和18\,K温度下，镜面热涨落的降低。在室温下受镜面热涨落限制的探测器灵敏度，通过冷却镜片在90\,Hz至240\,Hz频率范围内得到了改善。改进后的灵敏度在165\,Hz处达到最大值。
引用
@article{arxiv.1202.3558,
title = {Reduction of thermal fluctuations in a cryogenic laser interferometric gravitational wave detector},
author = {Takashi Uchiyama and Shinji Miyoki and Souichi Telada and Kazuhiro Yamamoto and Masatake Ohashi and Kazuhiro Agatsuma and Koji Arai and Masa-Katsu Fujimoto and Tomiyoshi Haruyama and Seiji Kawamura and Osamu Miyakawa and Naoko Ohishi and Takanori Saito and Takakazu Shintomi and Toshikazu Suzuki and Ryutaro Takahashi and Daisuke Tatsumi},
journal= {arXiv preprint arXiv:1202.3558},
year = {2015}
}
备注
Accepted for publication in Physical Review Letters, 5 pages, 2 figures