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  Reducing scattered light in LIGO's third observing run

Soni, S., Austin, C., Effler, A., Schofield, R. M. S., Gonzalez, G., Frolov, V. V., et al. (2021). Reducing scattered light in LIGO's third observing run. Classical and Quantum Gravity, 38(2): 025016. doi:10.1088/1361-6382/abc906.

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Soni, S, Author
Austin, C, Author
Effler, A, Author
Schofield, R M S, Author
Gonzalez, G, Author
Frolov, V V, Author
Driggers, J C, Author
Pele, A, Author
Urban, A L, Author
Valdes, G, 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
Baer, A. M., Author
Ball, M., AuthorBallmer, S. W., AuthorBanagiri, S., AuthorBarker, D., AuthorBarsotti, L., AuthorBartlett, J., AuthorBerger, B. K., AuthorBetzwieser, J., AuthorBhattacharjee, D., AuthorBillingsley, G., AuthorBiscans, S., AuthorBlair, C. D., AuthorBlair, R. M., AuthorBode, N.1, Author              Booker , P.1, 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., AuthorDooley, K. L., AuthorDupej, P., AuthorDwyer, S. E., AuthorEtzel, T., AuthorEvans, M., AuthorEvans, T. M., AuthorFeicht, J., AuthorFernandez-Galiana, A., AuthorFritschel, P., AuthorFulda, P., AuthorFyffe, M., AuthorGiaime, J. A., AuthorGiardina, K. D., AuthorGodwin, P., AuthorGoetz, E., AuthorGras, S., AuthorGray, C., AuthorGray, R., AuthorGreen, A. C., 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., AuthorLantz, 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., AuthorMárka, S., AuthorMárka, Z., AuthorMartynov, D. V., AuthorMason, K., AuthorMassinger, T. J., AuthorMatichard, F., AuthorMavalvala, 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., AuthorPenhorwood, R., AuthorPerez, C. J., AuthorPirello, M., AuthorRadkins, H., AuthorRamirez, K. E., AuthorRichardson, J. W., AuthorRiles, K., AuthorRobertson, N. A., AuthorRollins, J. G., AuthorRomel, C. L., AuthorRomie, 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., AuthorSchwartz, E., AuthorSellers, D., AuthorShaffer, T., AuthorSigg, D., AuthorSlagmolen, B. J. J., AuthorSmith, J. R., AuthorSorazu, B., AuthorSpencer, A. P., AuthorStrain, K. A., AuthorSun, L., AuthorSzczepańczyk, M. J., AuthorThomas, M., AuthorThomas, P., AuthorThorne, K. A., AuthorToland, K., AuthorTorrie, C. I., AuthorTraylor, G., AuthorTse, M., AuthorVajente, G., AuthorVander-Hyde, D. C., AuthorVeitch, P. J., AuthorVenkateswara, K., AuthorVenugopalan, G., AuthorViets, A. D., AuthorVo, T., AuthorVorvick, C., AuthorWade, M., AuthorWard, R. L., AuthorWarner, J., 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..
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: Noise due to scattered light has been a frequent disturbance in the Advanced LIGO gravitational wave detectors, hindering the detection of gravitational waves. The non stationary scatter noise caused by low frequency motion can be recognized as arches in the time-frequency plane of the gravitational wave channel. In this paper, we characterize the scattering noise for LIGO's third observing run O3 from April, 2019 to March, 2020. We find at least two different populations of scattering noise and we investigate the multiple origins of one of them as well as its mitigation. We find that relative motion between two specific surfaces is strongly correlated with the presence of scattered light and we implement a technique to reduce this motion. We also present an algorithm using a witness channel to identify the times this noise can be present in the detector.

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 Dates: 2020-07-292021
 Publication Status: Published in print
 Pages: 24 pages, 15 figures, 1 table
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 38 (2) Sequence Number: 025016 Start / End Page: - Identifier: -