The Virgo gravitational wave detector is an interferometer with 3 km long arms in construction near Pisa in Italy. The accessible sources at the design sensitivity and main noises are reviewed. Virgo has devoted a significant effort to extend sensitivity to low frequency reaching the strain level h̃ = 10-21 Hz-1/2 at 10 Hz while at 200 Hz h̃ = 3 · 10-23 Hz-1/2. Design choices and status of construction are presented.
The VIRGO interferometer for gravitational wave detection
Cagnoli G.;
1997
Abstract
The Virgo gravitational wave detector is an interferometer with 3 km long arms in construction near Pisa in Italy. The accessible sources at the design sensitivity and main noises are reviewed. Virgo has devoted a significant effort to extend sensitivity to low frequency reaching the strain level h̃ = 10-21 Hz-1/2 at 10 Hz while at 200 Hz h̃ = 3 · 10-23 Hz-1/2. Design choices and status of construction are presented.
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