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Precision Mechanical Rotation Sensors for Terrestrial Gravitational Wave Observatories
The LIGO gravitational-wave observatories are comprised of 4-km long dual-recycled Fabry-Perot Michelson interferometers. Each observatory deploys a multi-stage seismic isolation system to isolate from terrestrial seismic motion. These systems use seismometers to measure motion at a wide range of frequencies. Seismometers are ...