Summary
To detect gravitational waves (GW) in a frequency range between 10 Hz and few kHz a ground-based antenna was designed by the French-Italian collaboration VIRGO. The antenna is a 3 km long interferometer with special suspensions for the optical components, planned to reduce the seismic noise in order to reach the low-frequency region. Results on the seismic isolation devices are given together with some preliminary results on the use of permanent magnets on the VIRGO suspensions.
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Giazotto, A. Wide-band measurement of gravitational waves: theVIRGO project. Nouv Cim C 15, 955–971 (1992). https://doi.org/10.1007/BF02506688
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DOI: https://doi.org/10.1007/BF02506688