Sensor Noise in LISA Pathfinder: In-Flight Performance of the Optical Test Mass Readout

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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.authorBrandt, N.
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.authorFlatscher, R.
dc.contributor.authorFreschi, M.
dc.contributor.authorGarcía, A.
dc.contributor.authorGerndt, R.
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.authorGuzman, F.
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.authorLiu, L.
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.authorMonsky, A.
dc.contributor.authorNofrarias, M.
dc.contributor.authorPaczkowski, S.
dc.contributor.authorPerreur-Lloyd, M.
dc.contributor.authorPetiteau, A.
dc.contributor.authorPivato, P.
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.authorSteier, F.
dc.contributor.authorSumner, T.
dc.contributor.authorTexier, D.
dc.contributor.authorThorpe, J. I.
dc.contributor.authorVetrugno, D.
dc.contributor.authorVitale, S.
dc.contributor.authorWand, V.
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.accessioned2025-08-13T20:14:11Z
dc.date.issued2021-04-02
dc.description.abstractWe report on the first subpicometer interferometer flown in space. It was part of ESA’s Laser Interferometer Space Antenna (LISA) Pathfinder mission and performed the fundamental measurement of the positional and angular motion of two free-falling test masses. The interferometer worked immediately, stably, and reliably from switch on until the end of the mission with exceptionally low residual noise of 32.0 ⁺².⁴ ₋₁.₇ fm/√Hz, significantly better than required. We present an upper limit for the sensor performance at millihertz frequencies and a model for the measured sensitivity above 200 mHz.
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-Institut acknowledges the support of the German Space Agency, DLR. The work is supported by the Federal Ministry for Economic Affairs and Energy based on a resolution of the German Bundestag (FKZ 50OQ0501 and FKZ 50OQ1601). 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 Cit´e (ANR-10-LABX-0023 and ANR-11-IDEX 0005-02). The Italian contribution has been supported by Agenzia Spaziale Italiana 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 Programme of European Space Agency. 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. S. acknowledge the support of the U.S. National Aeronautics and Space Administration (NASA). N. K. is thankful for the support from a CNES Fellowship.
dc.description.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.131103
dc.format.extent7 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2tnnn-lige
dc.identifier.citationArmano, M., E. Castelli, H. Audley, J. Baird, et al. “Sensor Noise in LISA Pathfinder: In-Flight Performance of the Optical Test Mass Readout.” Physical Review Letters 126, no. 13 (2021): 131103. https://doi.org/10.1103/PhysRevLett.126.131103.
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.126.131103
dc.identifier.urihttp://hdl.handle.net/11603/39710
dc.language.isoen
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.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.titleSensor Noise in LISA Pathfinder: In-Flight Performance of the Optical Test Mass Readout
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-4429-0682

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