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Journal Articles Physical Review D Year : 2022

Sensor noise in LISA Pathfinder: An extensive in-flight review of the angular and longitudinal interferometric measurement system

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M. Armano
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H. Audley
  • Function : Author
M. Born
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D. Bortoluzzi
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N. Brandt
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E. Castelli
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A. Cavalleri
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A. Cesarini
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A.M. Cruise
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K. Danzmann
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M. de Deus Silva
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I. Diepholz
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G. Dixon
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R. Dolesi
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L. Ferraioli
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V. Ferroni
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E.D. Fitzsimons
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R. Flatscher
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M. Freschi
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A. García
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R. Gerndt
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L. Gesa
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D. Giardini
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F. Gibert
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R. Giusteri
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C. Grimani
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J. Grzymisch
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F. Guzman
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I. Harrison
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M-S Hartig
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G. Hechenblaikner
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G. Heinzel
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M. Hewitson
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D. Hollington
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D. Hoyland
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M. Hueller
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O. Jennrich
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P. Jetzer
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U. Johann
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B. Johlander
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B. Kaune
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C.J. Killow
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J.A. Lobo
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J.P. López-Zaragoza
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R. Maarschalkerweerd
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D. Mance
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V. Martín
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L. Martin-Polo
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F. Martin-Porqueras
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P.W. Mcnamara
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J. Mendes
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L. Mendes
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N. Meshksar
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A. Monsky
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M. Nofrarias
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S. Paczkowski
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M. Perreur-Lloyd
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J. Ramos-Castro
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J. Reiche
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F. Rivas
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D.I. Robertson
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G. Russano
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J. Sanjuan
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J. Slutsky
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C.F. Sopuerta
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F. Steier
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T. Sumner
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D. Texier
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J.I. Thorpe
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D. Vetrugno
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S. Vitale
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V. Wand
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G. Wanner
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H. Ward
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P.J. Wass
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W.J. Weber
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L. Wissel
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A. Wittchen
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P. Zweifel
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Abstract

In a previous article [1], we have reported on the first subpicometer interferometer flown in space as part of ESA’s LISA Pathfinder mission, and have shown the residual sensor noise to be on the level of $32.0^{+2.4}_{-1.7}$ fm/$\sqrt{\textrm{Hz}}$. This review provides a deeper and more complete overview of the full system and its interferometric mission performance under varying operational conditions, allowing a much more detailed view on the noise model. We also include the optical measurements of rotations through differential wave front sensing (DWS), which reached a sensitivity of as good as 100 prad/$\sqrt{\textrm{Hz}}$. We present more evidence for the long-term stability of the interferometric performance and components. This proves a solid foundation for future interferometry in space such as the LISA mission.
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Dates and versions

hal-03822850 , version 1 (21-10-2022)

Identifiers

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M. Armano, H. Audley, J. Baird, P. Binetruy, M. Born, et al.. Sensor noise in LISA Pathfinder: An extensive in-flight review of the angular and longitudinal interferometric measurement system. Physical Review D, 2022, 106 (8), pp.082001. ⟨10.1103/PhysRevD.106.082001⟩. ⟨hal-03822850⟩
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