Measurements of Superattenuator seismic isolation by Virgo interferometer

F. Acernese, F. Antonucci, S. Aoudia, K. G. Arun, P. Astone, G. Ballardin, F. Barone, M. Barsuglia, Th S. Bauer, M. G. Beker, S. Bigotta, S. Birindelli, M. Bitossi, M. A. Bizouard, M. Blom, C. Boccara, F. Bondu, L. Bonelli, L. Bosi, S. BracciniC. Bradaschia, A. Brillet, V. Brisson, R. Budzyński, T. Bulik, H. J. Bulten, D. Buskulic, G. Cagnoli, E. Calloni, E. Campagna, B. Canuel, F. Carbognani, F. Cavalier, R. Cavalieri, G. Cella, E. Cesarini, E. Chassande-Mottin, A. Chincarini, F. Cleva, E. Coccia, C. N. Colacino, J. Colas, A. Colla, M. Colombini, C. Corda, A. Corsi, J. P. Coulon, E. Cuoco, S. D'Antonio, A. Dari, V. Dattilo, M. Davier, R. Day, R. De Rosa, M. Del Prete, L. Di Fiore, A. Di Lieto, M. Di Paolo Emilio, A. Di Virgilio, A. Dietz, M. Drago, V. Fafone, I. Ferrante, F. Fidecaro, I. Fiori, R. Flaminio, J. D. Fournier, J. Franc, S. Frasca, F. Frasconi, A. Freise, L. Gammaitoni, F. Garufi, G. Gemme, E. Genin, A. Gennai, A. Giazotto, M. Granata, C. Greverie, G. Guidi, H. Heitmann, P. Hello, S. Hild, D. Huet, P. Jaranowski, I. Kowalska, A. Królak, P. La Penna, N. Leroy, N. Letendre, T. G.F. Li, M. Lorenzini, V. Loriette, G. Losurdo, J. M. Mackowski, E. Majorana, N. Man, M. Mantovani, F. Marchesoni, F. Marion, J. Marque, F. Martelli, A. Masserot, F. Menzinger, C. Michel, L. Milano, Y. Minenkov, M. Mohan, J. Moreau, N. Morgado, A. Morgia, S. Mosca, V. Moscatelli, B. Mours, I. Neri, F. Nocera, G. Pagliaroli, C. Palomba, F. Paoletti, S. Pardi, M. Parisi, A. Pasqualetti, R. Passaquieti, D. Passuello, G. Persichetti, M. Pichot, F. Piergiovanni, M. Pietka, L. Pinard, R. Poggiani, M. Prato, G. A. Prodi, M. Punturo, P. Puppo, O. Rabaste, D. S. Rabeling, P. Rapagnani, V. Re, T. Regimbau, F. Ricci, F. Robinet, A. Rocchi, L. Rolland, R. Romano, D. Rosińska, P. Ruggi, F. Salemi, B. Sassolas, D. Sentenac, R. Sturani, B. Swinkels, A. Toncelli, M. Tonelli, E. Tournefier, F. Travasso, J. Trummer, G. Vajente, J. F.J. van den Brand, S. van der Putten, M. Vavoulidis, G. Vedovato, D. Verkindt, F. Vetrano, A. Viceré, J. Y. Vinet, H. Vocca, M. Was, M. Yvert

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Abstract

Each mirror of the interferometric gravitational wave antenna Virgo is attached to a Superattenuator, a chain of mechanical filters designed to suppress seismic vibrations, starting from a few Hz. The filter chain attenuation has been measured by exciting its suspension point with sinuisodal forces and using the interferometer as sensor. The attenuation, measured at different frequencies, is compliant with the requirements of the next generation antenna Advanced Virgo. In the third generation detector Einstein Telescope, the attenuation is sufficient above 3 Hz, independently of the underground site choice.

Original languageEnglish
Pages (from-to)182-189
Number of pages8
JournalAstroparticle Physics
Volume33
Issue number3
DOIs
StatePublished - Apr 2010

Keywords

  • Gravitational wave detectors
  • Seismic isolation
  • Suspensions

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    Acernese, F., Antonucci, F., Aoudia, S., Arun, K. G., Astone, P., Ballardin, G., Barone, F., Barsuglia, M., Bauer, T. S., Beker, M. G., Bigotta, S., Birindelli, S., Bitossi, M., Bizouard, M. A., Blom, M., Boccara, C., Bondu, F., Bonelli, L., Bosi, L., ... Yvert, M. (2010). Measurements of Superattenuator seismic isolation by Virgo interferometer. Astroparticle Physics, 33(3), 182-189. https://doi.org/10.1016/j.astropartphys.2010.01.006