Seismic isolation of Advanced LIGO: Review of strategy, instrumentation and performance

被引：163

作者：

Matichard, F. ^{[1
,2
]}

Lantz, B. ^{[3
]}

Mittleman, R. ^{[1
]}

Mason, K. ^{[1
]}

Kissel, J. ^{[5
]}

Abbott, B. ^{[2
]}

Biscans, S. ^{[1
,2
]}

McIver, J. ^{[7
]}

Abbott, R. ^{[2
]}

Abbott, S. ^{[2
]}

Allwine, E. ^{[5
]}

Barnum, S. ^{[1
]}

Birch, J. ^{[4
]}

Celerier, C. ^{[3
]}

Clark, D. ^{[3
]}

Coyne, D. ^{[2
]}

Debra, D. ^{[3
]}

DeRosa, R. ^{[6
]}

Evans, M. ^{[1
]}

Foley, S. ^{[1
]}

Fritschel, P. ^{[1
]}

Giaime, J. A. ^{[4
,6
]}

Gray, C. ^{[5
]}

Grabeel, G. ^{[5
]}

Hanson, J. ^{[4
]}

Hardham, C. ^{[3
]}

Hillard, M. ^{[1
]}

Hua, W. ^{[3
]}

Kucharczyk, C. ^{[3
]}

Landry, M. ^{[5
]}

Le Roux, A. ^{[4
]}

Lhuillier, V. ^{[5
]}

Macleod, D. ^{[6
]}

Macinnis, M. ^{[1
]}

Mitchell, R. ^{[4
]}

O'Reilly, B. ^{[4
]}

Ottaway, D. ^{[1
]}

Paris, H. ^{[3
,5
]}

Pele, A. ^{[4
]}

Puma, M. ^{[4
]}

Radkins, H. ^{[5
]}

Ramet, C. ^{[4
]}

Robinson, M. ^{[5
]}

Ruet, L. ^{[1
]}

Sarin, P. ^{[1
]}

Shoemaker, D. ^{[1
]}

Stein, A. ^{[1
]}

Thomas, J. ^{[4
]}

Vargas, M. ^{[4
]}

Venkateswara, K. ^{[8
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

[2] CALTECH, Pasadena, CA 91125 USA

[3] Stanford Univ, Stanford, CA 94305 USA

[4] LIGO Livingston Observ, Livingston, LA USA

[5] LIGO Hanford Observ, Hanford, WA USA

[6] Louisiana State Univ, Baton Rouge, LA 70803 USA

[7] Univ Massachusetts, Amherst, MA 01003 USA

[8] Univ Washington, Seattle, WA 98195 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2015年 / 32卷 / 18期

关键词：

seismic isolation; gravitational waves; Advanced LIGO; active isolation; inertial platforms; ACTIVE VIBRATION ISOLATION; LOW-FREQUENCY; SYSTEM; DESIGN;

D O I：

10.1088/0264-9381/32/18/185003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The new generation of gravitational waves detectors require unprecedented levels of isolation from seismic noise. This article reviews the seismic isolation strategy and instrumentation developed for the Advanced LIGO observatories. It summarizes over a decade of research on active inertial isolation and shows the performance recently achieved at the Advanced LIGO observatories. The paper emphasizes the scientific and technical challenges of this endeavor and how they have been addressed. An overview of the isolation strategy is given. It combines multiple layers of passive and active inertial isolation to provide suitable rejection of seismic noise at all frequencies. A detailed presentation of the three active platforms that have been developed is given. They are the hydraulic pre-isolator, the single-stage internal isolator and the two-stage internal isolator. The architecture, instrumentation, control scheme and isolation results are presented for each of the three systems. Results show that the seismic isolation sub-system meets Advanced LIGO's stringent requirements and robustly supports the operation of the two detectors.

引用

页数：30

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