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Armano M, Audley H, Auger G, Baird JT, Bassan M, Binetruy P, Born M, Bortoluzzi D, Brandt N, Caleno M, Carbone L, Cavalleri A, Cesarini A, Ciani G, Congedo G, Cruise AM, Danzmann K, de Deus Silva M, De Rosa R, Diaz-Aguiló M, Di Fiore L, Diepholz I, Dixon G, Dolesi R, Dunbar N, Ferraioli L, Ferroni V, Fichter W, Fitzsimons ED, Flatscher R, Freschi M, García Marín AF, García Marirrodriga C, Gerndt R, Gesa L, Gibert F, Giardini D, Giusteri R, Guzmán F, Grado A, Grimani C, Grynagier A, Grzymisch J, Harrison I, Heinzel G, Hewitson M, Hollington D, Hoyland D, Hueller M, Inchauspé H, Jennrich O, Jetzer P, Johann U, Johlander B, Karnesis N, Kaune B, Korsakova N, Killow CJ, Lobo JA, Lloro I, Liu L, López-Zaragoza JP, Maarschalkerweerd R, Mance D, Martín V, Martin-Polo L, Martino J, Martin-Porqueras F, Madden S, Mateos I, McNamara PW, Mendes J, Mendes L, Monsky A, Nicolodi D, Nofrarias M, Paczkowski S, Perreur-Lloyd M, Petiteau A, Pivato P, Plagnol E, Prat P, Ragnit U, Raïs B, Ramos-Castro J, Reiche J, Robertson DI, Rozemeijer H, Rivas F, Russano G, Sanjuán J, Sarra P, Schleicher A, Shaul D, Slutsky J, Sopuerta CF, Stanga R, Steier F, Sumner T, Texier D, Thorpe JI, Trenkel C, Tröbs M, Tu HB, Vetrugno D, Vitale S, Wand V, Wanner G, Ward H, Warren C, Wass PJ, Wealthy D, Weber WJ, Wissel L, Wittchen A, Zambotti A, Zanoni C, Ziegler T, Zweifel P. Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results. Phys Rev Lett 2016; 116:231101. [PMID: 27341221 DOI: 10.1103/physrevlett.116.231101] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Indexed: 05/27/2023]
Abstract
We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1 fm s^{-2}/sqrt[Hz], or (0.54±0.01)×10^{-15} g/sqrt[Hz], with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3) fm/sqrt[Hz], about 2 orders of magnitude better than requirements. At f≤0.5 mHz we observe a low-frequency tail that stays below 12 fm s^{-2}/sqrt[Hz] down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.
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Affiliation(s)
- M Armano
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - H Audley
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - G Auger
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - J T Baird
- High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, United Kingdom
| | - M Bassan
- Dipartimento di Fisica, Università di Roma "Tor Vergata", and INFN, sezione Roma Tor Vergata, I-00133 Roma, Italy
| | - P Binetruy
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - M Born
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - D Bortoluzzi
- Department of Industrial Engineering, University of Trento, via Sommarive 9, 38123 Trento, and Trento Institute for Fundamental Physics and Applications/INFN, Italy
| | - N Brandt
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - M Caleno
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - L Carbone
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - A Cavalleri
- Istituto di Fotonica e Nanotecnologie, CNR-Fondazione Bruno Kessler, I-38123 Povo, Trento, Italy
| | - A Cesarini
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - G Ciani
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - G Congedo
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - A M Cruise
- The School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - K Danzmann
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - M de Deus Silva
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - R De Rosa
- Dipartimento di Fisica, Università di Napoli "Federico II" and INFN-Sezione di Napoli, I-80126, Napoli, Italy
| | - M Diaz-Aguiló
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - L Di Fiore
- INFN-Sezione di Napoli, I-80126, Napoli, Italy
| | - I Diepholz
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - G Dixon
- The School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - R Dolesi
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - N Dunbar
- Airbus Defence and Space, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, United Kingdom
| | - L Ferraioli
- Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, CH-8092, Zürich, Switzerland
| | - V Ferroni
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - W Fichter
- Universitt Stuttgart, Institut fr Flugmechanik und Flugregelung, Pfaffenwaldring 27, 70569 Stuttgart, Germany
| | - E D Fitzsimons
- The UK Astronomy Technology Centre, Royal Observatory, Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, United Kingdom
| | - R Flatscher
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - M Freschi
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - A F García Marín
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - C García Marirrodriga
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - R Gerndt
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - L Gesa
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - F Gibert
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - D Giardini
- Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, CH-8092, Zürich, Switzerland
| | - R Giusteri
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - F Guzmán
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - A Grado
- INAF Osservatorio Astronomico di Capodimonte, I-80131 Napoli, Italy and INFN sezione di Napoli, I-80126 Napoli, Italy
| | - C Grimani
- DISPEA, Università di Urbino "Carlo Bo", Via S. Chiara, 27 61029 Urbino/INFN, Italy
| | - A Grynagier
- Universitt Stuttgart, Institut fr Flugmechanik und Flugregelung, Pfaffenwaldring 27, 70569 Stuttgart, Germany
| | - J Grzymisch
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - I Harrison
- European Space Operations Centre, European Space Agency, 64293 Darmstadt, Germany
| | - G Heinzel
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - M Hewitson
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - D Hollington
- High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, United Kingdom
| | - D Hoyland
- The School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
| | - M Hueller
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - H Inchauspé
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - O Jennrich
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - P Jetzer
- Physik Institut, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - U Johann
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - B Johlander
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - N Karnesis
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - B Kaune
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - N Korsakova
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - C J Killow
- SUPA, Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - J A Lobo
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - I Lloro
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - L Liu
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - J P López-Zaragoza
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - R Maarschalkerweerd
- European Space Operations Centre, European Space Agency, 64293 Darmstadt, Germany
| | - D Mance
- Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, CH-8092, Zürich, Switzerland
| | - V Martín
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - L Martin-Polo
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - J Martino
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - F Martin-Porqueras
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - S Madden
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - I Mateos
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - P W McNamara
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - J Mendes
- European Space Operations Centre, European Space Agency, 64293 Darmstadt, Germany
| | - L Mendes
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - A Monsky
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - D Nicolodi
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - M Nofrarias
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - S Paczkowski
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - M Perreur-Lloyd
- SUPA, Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - A Petiteau
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - P Pivato
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - E Plagnol
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - P Prat
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - U Ragnit
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - B Raïs
- APC, Université Paris Diderot, CNRS/IN2P3, CEA/lrfu, Obs de Paris, Sorbonne Paris Cité, France
| | - J Ramos-Castro
- Departament d'Enginyeria Electrònica, Universitat Politècnica de Catalunya, 08034 Barcelona, Spain
| | - J Reiche
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - D I Robertson
- SUPA, Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - H Rozemeijer
- European Space Technology Centre, European Space Agency, Keplerlaan 1, 2200 AG Noordwijk, Netherlands
| | - F Rivas
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - G Russano
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - J Sanjuán
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - P Sarra
- CGS S.p.A, Compagnia Generale per lo Spazio, Via Gallarate, 150-20151 Milano, Italy
| | - A Schleicher
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - D Shaul
- High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, United Kingdom
| | - J Slutsky
- Gravitational Astrophysics Lab, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA
| | - C F Sopuerta
- Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Carrer de Can Magrans s/n, 08193 Cerdanyola del Vallès, Spain
| | - R Stanga
- Dipartimento di Fisica ed Astronomia, Università degli Studi di Firenze and INFN-Sezione di Firenze, I-50019 Firenze, Italy
| | - F Steier
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - T Sumner
- High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, United Kingdom
| | - D Texier
- European Space Astronomy Centre, European Space Agency, Villanueva de la Cañada, 28692 Madrid, Spain
| | - J I Thorpe
- Gravitational Astrophysics Lab, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA
| | - C Trenkel
- Airbus Defence and Space, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, United Kingdom
| | - M Tröbs
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - H B Tu
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - D Vetrugno
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - S Vitale
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - V Wand
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - G Wanner
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - H Ward
- SUPA, Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - C Warren
- Airbus Defence and Space, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, United Kingdom
| | - P J Wass
- High Energy Physics Group, Physics Department, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2BW, United Kingdom
| | - D Wealthy
- Airbus Defence and Space, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, United Kingdom
| | - W J Weber
- Dipartimento di Fisica, Università di Trento and Trento Institute for Fundamental Physics and Applications/INFN, 38123 Povo, Trento, Italy
| | - L Wissel
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - A Wittchen
- Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik und Leibniz Universität Hannover, Callinstraße 38, 30167 Hannover, Germany
| | - A Zambotti
- Department of Industrial Engineering, University of Trento, via Sommarive 9, 38123 Trento, and Trento Institute for Fundamental Physics and Applications/INFN, Italy
| | - C Zanoni
- Department of Industrial Engineering, University of Trento, via Sommarive 9, 38123 Trento, and Trento Institute for Fundamental Physics and Applications/INFN, Italy
| | - T Ziegler
- Airbus Defence and Space, Claude-Dornier-Strasse, 88090 Immenstaad, Germany
| | - P Zweifel
- Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, CH-8092, Zürich, Switzerland
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Acernese F, Alshourbagy M, Amico P, Aoudia S, Antonucci F, Astone P, Avino S, Babusci D, Ballardin G, Barone F, Barsuglia M, Barsotti L, Beauville F, Bigotta S, Birindelli S, Bizouard MA, Boccara AC, Bondu F, Bosi L, Braccini S, Bradaschia C, Brillet A, Brisson V, Brocco L, Buskulic D, Calloni E, Campagna E, Cavalier F, Carbognani F, Cavalieri R, Cella G, Cesarini E, Chassande-Motin E, Christensen N, Clapson AC, Frédéric C, Corda C, Corsi A, Cottone F, Coulon JP, Cuoco E, Dari A, Datillo V, Davier M, del Prete M, De Rosa R, Di Fiore L, Di Virgilio A, Dujardin B, Eleuteri A, Ferrante I, Fidecaro F, Fiori I, Flaminio R, Fourier JD, Frasca S, Frasconi F, Francois O, Gammaitoni L, Garufi F, Genin E, Gennai A, Giazotto A, Giordano G, Giordano L, Gouaty R, Grosjean D, Guidi GM, Hebri S, Heitmann H, Hello P, Karkar S, Kreckelbergh S, La Penna P, Laval M, Leroy N, Letendre N, Lopez B, Lorenzini M, Loriette V, Losurdo G, Mackowski JM, Majorana E, Mantovani M, Marchesoni F, Marion F, Marque J, Martelli F, Masserot A, Mazzoni M, Menzinger F, Moreau J, Milano L, Moins C, Morgado N, Mours B, Nary-Man C, Nocera F, Pai A, Palomba C, Paoletti F, Pardi S, Pasqualetti A, Passaquieti R, Passuello D, Perniola B, Piergiovanni F, Pinard L, Poggiani R, Punturo M, Puppo P, Qipiani K, Rapagnani P, Ricci F, Reita V, Remillieux A, Ricciardi I, Ruggi P, Russo G, Solimeno S, Spallicci A, Stanga R, Tarallo M, Toncelli A, Tonelli M, Tournefier E, Travasso F, Tremola C, Vajente G, Verkindt D, Vetrano F, Viceré A, Vinet JY, Vocca H, Yvert M. Measurement of the optical parameters of the Virgo interferometer. Appl Opt 2007; 46:3466-84. [PMID: 17514306 DOI: 10.1364/ao.46.003466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The Virgo interferometer, aimed at detecting gravitational waves, is now in a commissioning phase. Measurements of its optical properties are needed for the understanding of the instrument. We present the techniques developed for the measurement of the optical parameters of Virgo. These parameters are compared with the Virgo specifications.
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