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Mechanical filters for the gravitational waves detector VIRGO: Performance of a two-stage suspension

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16 Author(s)
Braccini, S. ; I.N.F.N. Sezione di Pisa and Dipartimento di Fisica, Universita'' di Pisa, Pisa I-56100, Italy ; Bradaschia, C. ; Del Fabbro, R. ; Di Virgilio, A.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1148045 

Mechanical filters using cantilever springs as elastic elements have been developed for the seismic isolation system of the VIRGO gravitational wave detector. A two-stage suspension has been built in order to study how the attenuation performances of individual filters combine when the filters are cascaded. An attenuation ≥80 dB in the vertical direction and ≥110 dB in the horizontal direction has been attained for frequencies above 10 Hz. © 1997 American Institute of Physics.

Published in:

Review of Scientific Instruments  (Volume:68 ,  Issue: 10 )

Date of Publication:

Oct 1997

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