提高先进LIGO探测器对地震的鲁棒性
仪器与探测器
2020-12-02 v1 应用物理
地球物理
摘要
远震或远距离地震经常干扰先进LIGO等地面引力波探测器的运行。本文提出了EQ模式，这是一种新的全局控制方案，由一系列优化的控制滤波器自动序列组成，可在地震期间减少并协调地震隔离平台的运动。这反过来又抑制了干涉仪臂之间的差分运动，从而降低了100 mHz以下频率的DARM信号。我们的方法极大地提高了干涉仪在地震期间保持运行的能力，在光束方向上地面速度均方根值高达3.9 μm/s，为两台探测器创下了新纪录。这为先进LIGO探测器管理地震引起的高地面运动的能力树立了地震控制的里程碑，为在其他极端环境条件下进一步实现鲁棒运行开辟了道路。
引用
@article{arxiv.2007.12847,
title = {Improving the Robustness of the Advanced LIGO Detectors to Earthquakes},
author = {Eyal Schwartz and A Pele and J Warner and B Lantz and J Betzwieser and K L Dooley and S Biscans and M Coughlin and N Mukund and R Abbott and C Adams and R X Adhikari and A Ananyeva and S Appert and K Arai and J S Areeda and Y Asali and S M Aston and C Austin and A M Baer and M Ball and S W Ballmer and S Banagiri and D Barker and L Barsotti and J Bartlett and B K Berger and D Bhattacharjee and G Billingsley and C D Blair and R M Blair and N Bode and P Booker and R Bork and A Bramley and A F Brooks and D D Brown and A Buikema and C Cahillane and K C Cannon and X Chen and A A Ciobanu and F Clara and S J Cooper and K R Corley and S T Countryman and P B Covas and D C Coyne and L E H Datrier and D Davis and C Di Fronzo and J C Driggers and P Dupej and S E Dwyer and A Effler and T Etze and M Evans and T M Evans and J Feicht and A Fernandez-Galiana and P Fritschel and V V Frolov and P Fulda and M Fyffe and J A Giaime and K D Giardina and P Godwin and E Goetz and S Gras and C Gray and R Gray and A C Green and Anchal Gupta and E K Gustafson and R Gustafson and J Hanks and J Hanson and T Hardwick and R K Hasskew and M C Heintze and A F Helmling-Cornell and N A Holland and J D Jones and S Kandhasamy and S Karki and M Kasprzack and K Kawabe and N Kijbunchoo and P J King and J S Kissel and Rahul Kumar and M Landry and B B Lane and M Laxen and Y K Lecoeuche and J Leviton and J Liu and M Lormand and A P Lundgren and R Macas and M MacInnis and D M Macleod and G L Mansell and S M arka and Z M arka and D V Martynov and K Mason and T J Massinger and F Matichard and N Mavalvala1 and R McCarthy and D E McClelland and S McCormick and L McCuller and J McIver and T McRae and G Mendell and K Merfeld and E L Merilh and F Meylahn and T Mistry and R Mittleman and G Moreno and C M Mow-Lowry and S Mozzon and A Mullavey and T J N Nelson and P Nguyen and L K Nuttall and J Oberling and Richard J Oram and C Osthelder and D J Ottaway and H Overmier and J R Palamos and W Parker and E Payne and C J Perez and M Pirello and H Radkins and K E Ramirez and J W Richardson and K Riles and N A Robertson and J G Rollins and C L Romel and J H Romie1 and M P Ross and K Ryan and T Sadecki and E J Sanchez and L E Sanchez and T R Saravanan and R L Savage and D Schaetzl and R Schnabel and R M S Schofield and D Sellers and T Shaffer and D Sigg and B J J Slagmolen and J R Smith and S Soni and B Sorazu and A P Spencer and K A Strain and L Sun and M J Szczepanczyk and M Thomas and P Thomas and K A Thorne and K Toland and C I Torrie and G Traylor and M Tse and A L Urban and G Vajente and G Valdes and D C Vander-Hyde and P J Veitch and K Venkateswara and G Venugopalan and A D Viets and T Vo and C Vorvick and M Wade and R L Ward and B Weaver and R Weiss and C Whittle and B Willke and C C Wipf and L Xiao and H Yamamoto and Hang Yu and Haocun Yu and L Zhang and M E Zucker and J Zweizig},
journal= {arXiv preprint arXiv:2007.12847},
year = {2020}
}