Experimental evidence for an optical spring (Articolo in rivista)

Type
Label
  • Experimental evidence for an optical spring (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.74.013813 (literal)
Alternative label
  • Di Virgilio, A; Barsotti, L; Braccini, S; Bradaschia, C; Cella, G; Corda, C; Dattilo, V; Ferrante, I; Fidecaro, F; Fiori, I; Frasconi, F; Gennai, A; Giazotto, A; La Penna, P; Losurdo, G; Majorana, E; Mantovani, M; Pasqualetti, A; Passuello, D; Piergiovann (2006)
    Experimental evidence for an optical spring
    in Physical review. A; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Di Virgilio, A; Barsotti, L; Braccini, S; Bradaschia, C; Cella, G; Corda, C; Dattilo, V; Ferrante, I; Fidecaro, F; Fiori, I; Frasconi, F; Gennai, A; Giazotto, A; La Penna, P; Losurdo, G; Majorana, E; Mantovani, M; Pasqualetti, A; Passuello, D; Piergiovann (literal)
Pagina inizio
  • 013813-1 (literal)
Pagina fine
  • 013813-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevA.74.013813 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Rivista
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  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy; European Gravitat Observ, Cascina, PI, Italy; Univ Pisa, Pisa, Italy; Ist Nazl Fis Nucl, Sez Firenze, Sesto Fiorentino, Italy; Univ Roma 1, Rome, Italy; Ist Nazl Fis Nucl Roma 1, Rome, Italy; Univ Siena, I-53100 Siena, Italy; Univ Urbino, I-61029 Urbino, Italy; CNR, INFM, Coherentia, I-80125 Naples, Italy; CNISM, Naples, Italy; Univ Naples, Naples, Italy; Ist Nazl Fis Nucl, I-80125 Naples, Italy; Scuola Normale Super Pisa, Pisa, Italy (literal)
Titolo
  • Experimental evidence for an optical spring (literal)
Abstract
  • An optical spring effect has been observed in the motion of a Fabry-Perot cavity suspended in the Low-Frequency Facility, R&D experiment of the VIRGO Collaboration. The experimental setup consists of a 1-cm-long cavity hanging from a mechanical isolation system, conceived to suppress seismic noise transmission to the optical components of the interferometer. The observed radiation pressure effect corresponds to an optical stiffness k(opt) ranging between 2.5x10(4) and 6.5x10(4) N/m. This paper reports several measurements of the mirror relative displacement carried out in different working conditions. The measured error signal spectra show broad resonances at frequencies compatible with the optomechanical system. In other runs cavity detuning oscillations have been observed at subhertz frequencies. In these cases the power spectrum of the control loop error signal exhibited a broad resonance with superimposed uniformly spaced peaks. These observations, validated by a simple model, prove that the fluctuations of the optical spring effect can become so large as to exhibit nonlinear features. (literal)
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