降低 LIGO 第三次观测运行中的散射光噪声
天体物理仪器与方法
2021-09-07 v2
摘要
散射光引起的噪声一直是 Advanced LIGO 引力波探测器的常见干扰，阻碍了引力波的探测。由低频运动引起的非平稳散射噪声在引力波信道时频平面上可识别为拱形结构。在本文中，我们表征了 LIGO 从 2019 年 4 月到 2020 年 3 月第三次观测运行 O3 的散射噪声。我们发现至少两类不同的散射噪声群体，并研究了其中一类噪声的多种来源及其缓解方法。我们发现两个特定表面之间的相对运动与散射光的出现强相关，并实现了一种技术来减小该运动。我们还提出了一种利用 witness 信道识别探测器中该噪声可能出现时刻的算法。
引用
@article{arxiv.2007.14876,
title = {Reducing Scattered Light in LIGO's Third Observing Run},
author = {S Soni and C Austin and A Effler and R M S Schofield and G Gonzalez and V V Frolov and J C Driggers and A Pele and A L Urban and G Valdes 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 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 J. Betzwieser and D. Bhattacharjee and G. Billingsley and S. Biscans 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 K. L. Dooley and P. Dupej and S. E. Dwyer and T. Etzel and M. Evans and T. M. Evans and J. Feicht and A. Fernandez-Galiana and P. Fritschel 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 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 B. Lantz 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. Márka and Z. Márka and D. V. Martynov and K. Mason and T. J. Massinger and F. Matichard and N. Mavalvala 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 R. Penhorwood 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. Romie 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 E. Schwartz and D. Sellers and T. Shaffer and D. Sigg and B. J. J. Slagmolen and J. R. Smith and B. Sorazu and A. P. Spencer and K. A. Strain and L. Sun and M. J. Szczepańczyk and M. Thomas and P. Thomas and K. A. Thorne and K. Toland and C. I. Torrie and G. Traylor and M. Tse and G. Vajente 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 J. Warner 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:2007.14876},
year = {2021}
}
备注
24 pages, 15 figures, 1 table