Measurements of Superattenuator seismic isolation by Virgo interferometer

Andreas Freise; S Hild

doi:10.1016/j.astropartphys.2010.01.006

Measurements of Superattenuator seismic isolation by Virgo interferometer

Andreas Freise, S Hild

Physics and Astronomy

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54 Citations (Scopus)

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. (C) 2010 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	182-189
Number of pages	8
Journal	Astroparticle Physics
Volume	33
Issue number	3
DOIs	https://doi.org/10.1016/j.astropartphys.2010.01.006
Publication status	Published - 1 Apr 2010

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10.1016/j.astropartphys.2010.01.006

Birmingham Astrophysics - Rolling Grant 2007-2012
Ponman, T., Cruise, M., Freise, A., Raychaudhury, S., Smith, G., Speake, C., Stevens, I. & Vecchio, A.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/04/07 → 31/03/12
Project: Research Councils

Cite this

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title = "Measurements of Superattenuator seismic isolation by Virgo interferometer",

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. (C) 2010 Elsevier B.V. All rights reserved.",

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AB - 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. (C) 2010 Elsevier B.V. All rights reserved.

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DO - 10.1016/j.astropartphys.2010.01.006

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Measurements of Superattenuator seismic isolation by Virgo interferometer

Abstract

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Birmingham Astrophysics - Rolling Grant 2007-2012

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