Capacitive sensing of test mass motion with nanometer precision over millimeter-wide sensing gaps for space-borne gravitational reference sensors

被引：61

作者：

Armano, M. ^{[1
]}

Audley, H. ^{[2
,3
]}

Auger, G. ^{[4
]}

Baird, J. ^{[5
]}

Bassan, M. ^{[6
,7
]}

Binetruy, P. ^{[4
]}

Born, M. ^{[2
,3
]}

Bortoluzzi, D. ^{[8
,9
]}

Brandt, N. ^{[10
]}

Caleno, M. ^{[11
]}

Cavalleri, A. ^{[12
]}

Cesarini, A. ^{[9
,13
]}

Cruise, A. M. ^{[14
]}

Danzmann, K. ^{[2
,3
]}

Silva, M. de Deus ^{[1
]}

De Rosa, R. ^{[15
]}

Di Fiore, L. ^{[16
]}

Diepholz, I. ^{[2
,3
]}

Dixon, G. ^{[14
]}

Dolesi, R. ^{[9
,13
]}

Dunbar, N. ^{[17
]}

Ferraioli, L. ^{[18
]}

Ferroni, V. ^{[9
,13
]}

Fitzsimons, E. D. ^{[19
]}

Flatscher, R. ^{[10
]}

Freschi, M. ^{[1
]}

Marirrodriga, C. Garcia ^{[11
]}

Gerndt, R. ^{[10
]}

Gesa, L. ^{[20
]}

Gibert, F. ^{[9
,13
]}

Giardini, D. ^{[18
]}

Giusteri, R. ^{[9
,13
]}

Grado, A. ^{[16
,21
]}

Grimani, C. ^{[22
]}

Grzymisch, J. ^{[11
]}

Harrison, I. ^{[23
]}

Heinzel, G. ^{[2
,3
]}

Hewitson, M. ^{[2
,3
]}

Hollington, D. ^{[5
]}

Hoyland, D. ^{[14
]}

Hueller, M. ^{[9
,13
]}

Inchauspe, H. ^{[4
]}

Jennrich, O. ^{[11
]}

Jetzer, P. ^{[24
]}

Johlander, B. ^{[11
]}

Karnesis, N. ^{[2
,3
]}

Kaune, B. ^{[2
,3
]}

Korsakova, N. ^{[25
]}

Killow, C. J. ^{[25
]}

Lobo, J. A. ^{[20
]}

机构：

[1] European Space Agcy, European Space Astron Ctr, Villanueva Canada, Madrid 28692, Spain

[2] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Callinstr 38, D-30167 Hannover, Germany

[3] Leibniz Univ Hannover, Callinstr 38, D-30167 Hannover, Germany

[4] Univ Paris Diderot, APC UMR7164, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France

[5] Imperial Coll London, Dept Phys, Blackett Lab, High Energy Phys Grp, Prince Consort Rd, London SW7 2BW, England

[6] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[7] INFN, Sez Roma Tor Vergata, I-00133 Rome, Italy

[8] Univ Trento, Dept Ind Engn, Via Sommarive 9, I-38123 Trento, Italy

[9] INFN, Trento Inst Fundamental Phys & Applicat, I-38123 Povo, Trento, Italy

[10] Airbus Def & Space, Claude Dornier Str, D-88090 Immenstadt, Germany

[11] European Space Technol Ctr, European Space Agcy, Keplerlaan 1, NL-2200 AG Noordwijk, Netherlands

[12] CNR, Fondaz Bruno Kessler, Ist Foton & Nanotecnol, I-38123 Povo, Trento, Italy

[13] Univ Trento, Dipartimento Fis, I-38123 Povo, Trento, Italy

[14] Univ Birmingham, Dept Phys & Astron, Edgbaston Pk Rd, Birmingham B15 2TT, W Midlands, England

[15] Univ Napoli Federico II, Dipartimento Fis, Naples, Italy

[16] INFN, Sez Napoli, I-80126 Naples, Italy

[17] Airbus Def & Space, Gunnels Wood Rd, Stevenage SG1 2AS, Herts, England

[18] ETH, Inst Geophys, Sonneggstr 5, CH-8092 Zurich, Switzerland

[19] UK Astron Technol Ctr, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[20] CSIC, IEEC, Inst Ciencies Espai, Campus UAB,Carrer Can Magrans s/n, Cerdanyola Del Valles 08193, Spain

[21] INAF, Osservatorio Astron Capodimonte, I-I80131 Naples, Italy

[22] Univ Urbino Carlo Bo, DISPEA, INFN, Via S Chiara 27, I-61029 Urbino, Italy

[23] European Space Technol Ctr, European Space Agcy, D-64293 Darmstadt, Germany

[24] Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland

[25] Univ Glasgow, Inst Gravitat Res, Sch Phys & Astron, SUPA, Glasgow G12 8QQ, Lanark, Scotland

[26] Univ Politecn Cataluna, Dept Engn Elect, Barcelona 08034, Spain

[27] CGS SpA Compagnia Gen Spazio, Via Gallarate, I-15020151 Milan, Italy

[28] NASA, Gravitat Astrophys Lab, Goddard Space Flight Ctr, 8800 Greenbelt Rd, Greenbelt, MD 20771 USA

[29] Univ Firenze, Dipartimento Fis & Astron, I-50019 Florence, Italy

[30] INFN, Sez Firenze, I-50019 Florence, Italy

来源：

PHYSICAL REVIEW D | 2017年 / 96卷 / 06期

基金：

瑞士国家科学基金会;

关键词：

LISA;

D O I：

10.1103/PhysRevD.96.062004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the performance of the capacitive gap-sensing system of the Gravitational Reference Sensor on board the LISA Pathfinder spacecraft. From in-flight measurements, the system has demonstrated a performance, down to 1 mHz, that is ranging between 0.7 and 1.8 aF Hz(-1/2). That translates into a sensing noise of the test mass motion within 1.2 and 2.4 nm Hz(-1/2) in displacement and within 83 and 170 nrad Hz(-1/2) in rotation. This matches the performance goals for LISA Pathfinder, and it allows the successful implementation of the gravitational waves observatory LISA. A 1/f tail has been observed for frequencies below 1 mHz, the tail has been investigated in detail with dedicated in-flight measurements, and a model is presented in the paper. A projection of such noise to frequencies below 0.1 mHz shows that an improvement of performance at those frequencies is desirable for the next generation of gravitational reference sensors for space-borne gravitational waves observation.

引用

页数：11

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