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

Journal
Date Issued
2021
Author(s)
Armano, M.
•
Audley, H.
•
Baird, J.
•
Binetruy, P.
•
Born, M.
•
Bortoluzzi, D.
•
Brandt, N.
•
Castelli, E.
•
Cavalleri, A.
•
Cesarini, Andrea
•
Cruise, A. M.
•
Danzmann, K.
•
de Deus Silva, M.
•
Diepholz, I.
•
Dixon, G.
•
Dolesi, R.
•
Ferraioli, L.
•
Ferroni, V.
•
Fitzsimons, E. D.
•
Flatscher, R.
•
Freschi, M.
•
García, A.
•
Gerndt, R.
•
Gesa, L.
•
Giardini, D.
•
Gibert, F.
•
Giusteri, R.
•
Grimani, C.
•
Grzymisch, J.
•
Guzman, F.
•
Harrison, I.
•
Hartig, M. -S.
•
Heinzel, G.
•
Hewitson, M.
•
Hollington, D.
•
Hoyland, D.
•
Hueller, M.
•
Inchauspé, H.
•
Jennrich, O.
•
Jetzer, P.
•
Johann, U.
•
Johlander, B.
•
Karnesis, N.
•
Kaune, B.
•
Killow, C. J.
•
Korsakova, N.
•
Lobo, J. A.
•
Liu, L.
•
López-Zaragoza, J. P.
•
Maarschalkerweerd, R.
•
Mance, D.
•
Martín, V.
•
Martin-Polo, L.
•
Martin-Porqueras, F.
•
Martino, J.
•
McNamara, P. W.
•
Mendes, J.
•
Mendes, L.
•
Meshksar, N.
•
Monsky, A.
•
Nofrarias, M.
•
Paczkowski, S.
•
Perreur-Lloyd, M.
•
Petiteau, A.
•
Pivato, P.
•
Plagnol, E.
•
Ramos-Castro, J.
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Reiche, J.
•
Rivas, F.
•
Robertson, D. I.
•
•
Sanjuan, J.
•
Slutsky, J.
•
Sopuerta, C. F.
•
Steier, F.
•
Sumner, T.
•
Texier, D.
•
Thorpe, J. I.
•
Vetrugno, D.
•
Vitale, S.
•
Wand, V.
•
Wanner, G.
•
Ward, H.
•
Wass, P. J.
•
Weber, W. J.
•
Wissel, L.
•
Wittchen, A.
•
Zweifel, P.
DOI
Abstract
We 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 32.0-1.7+2.4 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....
Volume
126
Issue
13
Start page
131103
Uri
Url
Issn Identifier
0031-9007
Ads BibCode
2021PhRvL.126m1103A
Rights
open.access
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