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  Improving the Robustness of the Advanced LIGO Detectors to Earthquakes

Schwartz, E., Pele, A., Warner, J., Lantz, B., Betzwieser, J., Dooley, K. L., et al. (2020). Improving the Robustness of the Advanced LIGO Detectors to Earthquakes. Classical and quantum gravity, 37(23): 235007. doi:10.1088/1361-6382/abbc8c.

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Schwartz, Eyal, Author
Pele, A, Author
Warner, J, Author
Lantz, B, Author
Betzwieser, J, Author
Dooley, K L, Author
Biscans, S, Author
Coughlin, M, Author
Mukund, N.1, Author              
Abbott, R, Author
Adams, C, Author
Adhikari, R X, Author
Ananyeva, A, Author
Appert, S, Author
Arai, K, Author
Areeda, J S, Author
Asali, Y, Author
Aston, S M, Author
Austin, C, Author
Baer, A M, Author
Ball, M, AuthorBallmer, S W, AuthorBanagiri, S, AuthorBarker, D, AuthorBarsotti, L, AuthorBartlett, J, AuthorBerger, B K, AuthorBhattacharjee, D, AuthorBillingsley, G, AuthorBlair, C D, AuthorBlair, R M, AuthorBode, N.1, Author              Booker , P1, AuthorBork, R, AuthorBramley, A, AuthorBrooks, A F, AuthorBrown, D D, AuthorBuikema, A, AuthorCahillane, C, AuthorCannon, K C, AuthorChen, X, AuthorCiobanu, A A, AuthorClara, F, AuthorCooper, S J, AuthorCorley, K R, AuthorCountryman, S T, AuthorCovas, P B, AuthorCoyne, D C, AuthorDatrier, L E H, AuthorDavis, D, AuthorDi Fronzo, C, AuthorDriggers, J C, AuthorDupej, P, AuthorDwyer, S E, AuthorEffler, A, AuthorEtze, T, AuthorEvans, M, AuthorEvans, T M, AuthorFeicht, J, AuthorFernandez-Galiana, A, AuthorFritschel, P, AuthorFrolov, V V, AuthorFulda, P, AuthorFyffe, M, AuthorGiaime, J A, AuthorGiardina, K D, AuthorGodwin, P, AuthorGoetz, E, AuthorGras, S, AuthorGray, C, AuthorGray, R, AuthorGreen, A C, AuthorGupta, Anchal, AuthorGustafson, E K, AuthorGustafson, R, AuthorHanks, J, AuthorHanson, J, AuthorHardwick, T, AuthorHasskew, R K, AuthorHeintze, M C, AuthorHelmling-Cornell, A F, AuthorHolland, N A, AuthorJones, J D, AuthorKandhasamy, S, AuthorKarki, S, AuthorKasprzack, M, AuthorKawabe, K, AuthorKijbunchoo, N, AuthorKing, P J, AuthorKissel, J S, AuthorKumar, Rahul, AuthorLandry, M, AuthorLane, B B, AuthorLaxen, M, AuthorLecoeuche, Y K, AuthorLeviton, J, AuthorLiu, J.1, Author              Lormand, M, AuthorLundgren, A P, AuthorMacas, R, AuthorMacInnis, M, AuthorMacleod, D M, AuthorMansell, G L, Authorarka, S M, Authorarka, Z M, AuthorMartynov, D V, AuthorMason, K, AuthorMassinger, T J, AuthorMatichard, F, AuthorMavalvala1, N, AuthorMcCarthy, R, AuthorMcClelland, D E, AuthorMcCormick, S, AuthorMcCuller, L, AuthorMcIver, J, AuthorMcRae, T, AuthorMendell, G, AuthorMerfeld, K, AuthorMerilh, E L, AuthorMeylahn, F.1, Author              Mistry, T, AuthorMittleman, R, AuthorMoreno, G, AuthorMow-Lowry, C M, AuthorMozzon, S, AuthorMullavey, A, AuthorNelson, T J N, AuthorNguyen, P, AuthorNuttall, L K, AuthorOberling, J, AuthorOram, Richard J, AuthorOsthelder, C, AuthorOttaway, D J, AuthorOvermier, H, AuthorPalamos, J R, AuthorParker, W, AuthorPayne, E, AuthorPerez, C J, AuthorPirello, M, AuthorRadkins, H, AuthorRamirez, K E, AuthorRichardson, J W, AuthorRiles, K, AuthorRobertson, N A, AuthorRollins, J G, AuthorRomel, C L, AuthorRomie1, J H, AuthorRoss, M P, AuthorRyan, K, AuthorSadecki, T, AuthorSanchez, E J, AuthorSanchez, L E, AuthorSaravanan, T R, AuthorSavage, R L, AuthorSchaetzl, D, AuthorSchnabel, R, AuthorSchofield, R M S, AuthorSellers, D, AuthorShaffer, T, AuthorSigg, D, AuthorSlagmolen, B J J, AuthorSmith, J R, AuthorSoni, S, AuthorSorazu, B, AuthorSpencer, A P, AuthorStrain, K A, AuthorSun, L, AuthorSzczepanczyk, M J, AuthorThomas, M, AuthorThomas, P, AuthorThorne, K A, AuthorToland, K, AuthorTorrie, C I, AuthorTraylor, G, AuthorTse, M, AuthorUrban, A L, AuthorVajente, G, AuthorValdes, G, AuthorVander-Hyde, D C, AuthorVeitch, P J, AuthorVenkateswara, K, AuthorVenugopalan, G, AuthorViets, A D, AuthorVo, T, AuthorVorvick, C, AuthorWade, M, AuthorWard, R L, AuthorWeaver, B, AuthorWeiss, R, AuthorWhittle, C, AuthorWillke, B.1, Author              Wipf, C C, AuthorXiao, L, AuthorYamamoto, H, AuthorYu, Hang, AuthorYu, Haocun, AuthorZhang, L, AuthorZucker, M E, AuthorZweizig, J, Author more..
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              


Free keywords: Physics, Instrumentation and Detectors, physics.ins-det,physics.app-ph, Physics, Geophysics, physics.geo-ph
 Abstract: Teleseismic, or distant, earthquakes regularly disrupt the operation of ground--based gravitational wave detectors such as Advanced LIGO. Here, we present \emph{EQ mode}, a new global control scheme, consisting of an automated sequence of optimized control filters that reduces and coordinates the motion of the seismic isolation platforms during earthquakes. This, in turn, suppresses the differential motion of the interferometer arms with respect to one another, resulting in a reduction of DARM signal at frequencies below 100\,mHz. Our method greatly improved the interferometers' capability to remain operational during earthquakes, with ground velocities up to 3.9\,$\mu \mbox{m/s}$ rms in the beam direction, setting a new record for both detectors. This sets a milestone in seismic controls of the Advanced LIGO detectors' ability to manage high ground motion induced by earthquakes, opening a path for further robust operation in other extreme environmental conditions.


 Dates: 2020-07-242020-12-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2007.12847
DOI: 10.1088/1361-6382/abbc8c
 Degree: -



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Title: Classical and quantum gravity
Source Genre: Journal
Publ. Info: -
Pages: - Volume / Issue: 37 (23) Sequence Number: 235007 Start / End Page: - Identifier: -