Tilt-to-length coupling in LISA Pathfinder: Long-term stability

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dc.contributor.authorArmano, M.
dc.contributor.authorAudley, H.
dc.contributor.authorBaird, J.
dc.contributor.authorBinetruy, P.
dc.contributor.authorBorn, M.
dc.contributor.authorBortoluzzi, D.
dc.contributor.authorCastelli, Eleonora
dc.contributor.authorCavalleri, A.
dc.contributor.authorCesarini, A.
dc.contributor.authorCruise, A. M.
dc.contributor.authorDanzmann, K.
dc.contributor.authorde Deus Silva, M.
dc.contributor.authorDiepholz, I.
dc.contributor.authorDixon, G.
dc.contributor.authorDolesi, R.
dc.contributor.authorFerraioli, L.
dc.contributor.authorFerroni, V.
dc.contributor.authorFitzsimons, E. D.
dc.contributor.authorFreschi, M.
dc.contributor.authorGesa, L.
dc.contributor.authorGiardini, D.
dc.contributor.authorGibert, F.
dc.contributor.authorGiusteri, R.
dc.contributor.authorGrimani, C.
dc.contributor.authorGrzymisch, J.
dc.contributor.authorHarrison, I.
dc.contributor.authorHartig, M.-S.
dc.contributor.authorHeinzel, G.
dc.contributor.authorHewitson, M.
dc.contributor.authorHollington, D.
dc.contributor.authorHoyland, D.
dc.contributor.authorHueller, M.
dc.contributor.authorInchauspé, H.
dc.contributor.authorJennrich, O.
dc.contributor.authorJetzer, P.
dc.contributor.authorJohann, U.
dc.contributor.authorJohlander, B.
dc.contributor.authorKarnesis, N.
dc.contributor.authorKaune, B.
dc.contributor.authorKillow, C. J.
dc.contributor.authorKorsakova, N.
dc.contributor.authorLobo, J. A.
dc.contributor.authorLópez-Zaragoza, J. P.
dc.contributor.authorMaarschalkerweerd, R.
dc.contributor.authorMance, D.
dc.contributor.authorMartín, V.
dc.contributor.authorMartin-Polo, L.
dc.contributor.authorMartin-Porqueras, F.
dc.contributor.authorMartino, J.
dc.contributor.authorMcNamara, P. W.
dc.contributor.authorMendes, J.
dc.contributor.authorMendes, L.
dc.contributor.authorMeshksar, N.
dc.contributor.authorNofrarias, M.
dc.contributor.authorPaczkowski, S.
dc.contributor.authorPerreur-Lloyd, M.
dc.contributor.authorPetiteau, A.
dc.contributor.authorPlagnol, E.
dc.contributor.authorRamos-Castro, J.
dc.contributor.authorReiche, J.
dc.contributor.authorRivas, F.
dc.contributor.authorRobertson, D. I.
dc.contributor.authorRussano, G.
dc.contributor.authorSanjuan, J.
dc.contributor.authorSlutsky, J.
dc.contributor.authorSopuerta, C. F.
dc.contributor.authorSumner, T.
dc.contributor.authorTexier, D.
dc.contributor.authorThorpe, J. I.
dc.contributor.authorVetrugno, D.
dc.contributor.authorVitale, S.
dc.contributor.authorWanner, G.
dc.contributor.authorWard, H.
dc.contributor.authorWass, P. J.
dc.contributor.authorWeber, W. J.
dc.contributor.authorWissel, L.
dc.contributor.authorWittchen, A.
dc.contributor.authorZweifel, P.
dc.date.accessioned2025-04-23T20:30:56Z
dc.date.available2025-04-23T20:30:56Z
dc.date.issued2024-09-03
dc.description.abstractThe tilt-to-length coupling during the LISA Pathfinder mission has been numerically and analytically modeled for particular time spans. In this work, we investigate the long-term stability of the coupling coefficients of this noise. We show that they drifted slowly (by 1 ?m/rad and 6 ×10?6 in 100 days) and were strongly correlated to temperature changes within the satellite (8 ?m/rad/K and 30×10?6/K). Based on analytical tilt-to-length coupling models, we attribute the temperature-driven coupling changes to rotations of the test masses and small distortions in the optical setup. Particularly, our findings lead to the conclusion that LISA Pathfinder’s optical baseplate was bent during the cooldown experiment, which started in late 2016 and lasted several months.
dc.description.sponsorshipThis work has been made possible by the LISA Pathfinder mission, which is part of the space-science program of the European Space Agency. The Albert Einstein Institute acknowledges the support of the German Space Agency, DLR. The work is supported by the Federal Ministry for Economic Affairs and Climate Action based on a resolution of the German Bundestag (FKZ 50OQ0501, FKZ 50OQ1601, and FKZ 50OQ1801). We also acknowledge the support by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy (EXC-2123 QuantumFrontiers, project ID 390837967, and EXC 2122 PhoenixD, project ID 390833453). The French contribution has been supported by the CNES (Accord Specific de projet CNES 1316634/CNRS 103747), the CNRS, the Observatoire de Paris and the University Paris-Diderot. E.?P. and H.?I. would also like to acknowledge the financial support of the UnivEarthS Labex program at Sorbonne Paris Cité (ANR-10-LABX-0023 and ANR-11-IDEX-0005-02). The Italian contribution has been supported by ASI (Grant No. 2017-29-H.1-2020 “Attività per la fase A della missione LISA”) and Istituto Nazionale di Fisica Nucleare. The Spanish contribution has been supported by Contracts No. AYA2010-15709 (MICINN), No. ESP2013-47637-P, No. ESP2015-67234-P, and No. ESP2017-90084-P (MINECO). Support from AGAUR (Generalitat de Catalunya) Contract No. 2017-SGR-1469 is also acknowledged. M.?N. acknowledges support from Fundacion General CSIC (Programa ComFuturo). F.?R. acknowledges an FPI contract from MINECO. The Swiss contribution acknowledges the support of the ETH Research Grant No. ETH-05 16-2 and the Swiss Space Office (SSO) via the PRODEX Program of ESA. L.?F. is supported by the Swiss National Science Foundation. The UK groups wish to acknowledge support from the United Kingdom Space Agency (UKSA), the Scottish Universities Physics Alliance (SUPA), the University of Glasgow, the University of Birmingham and Imperial College London. J.?I.?T. and J. Slutsky acknowledge the support of the U.S. National Aeronautics and Space Administration (NASA). N.?K. would like to thank for the support from the CNES Fellowship. The LISA Pathfinder collaboration would like to acknowledge Professor Pierre Binetruy, Professor José Alberto Lobo and Lluis Gesa Bote for their remarkable contribution to the LISA Pathfinder science.
dc.description.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.110.063005
dc.format.extent14 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m258bs-gyct
dc.identifier.citationArmano, M., H. Audley, J. Baird, P. Binetruy, M. Born, D. Bortoluzzi, E. Castelli, et al. "Tilt-to-Length Coupling in LISA Pathfinder: Long-Term Stability" Physical Review D 110, no. 6 (September 3, 2024): 063005. https://doi.org/10.1103/PhysRevD.110.063005.
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.110.063005
dc.identifier.urihttp://hdl.handle.net/11603/38005
dc.language.isoen_US
dc.publisherAPS
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleTilt-to-length coupling in LISA Pathfinder: Long-term stability
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-4429-0682

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