Initial Results from the LIGO Newtonian Calibrator
The precise calibration of the strain readout of the LIGO gravitational wave observatories is paramount to the accurate interpretation of gravitational wave events. This calibration is traditionally done by imparting a known force on the test masses of the observatory via radiation pressure. Here we...
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| creator | Ross, Michael P Mistry, Timesh Datrier, Laurence Kissel, Jeff Krishna Venkateswara Weller, Colin Kumar, Kavic Hagedorn, Charlie Adelberger, Eric Lee, John Shaw, Erik Thomas, Patrick Barker, David Filiberto Clara Gateley, Bubba Guidry, Tyler M Daw, Ed Hendry, Martin Gundlach, Jens |
| description | The precise calibration of the strain readout of the LIGO gravitational wave observatories is paramount to the accurate interpretation of gravitational wave events. This calibration is traditionally done by imparting a known force on the test masses of the observatory via radiation pressure. Here we describe the implementation of an alternative calibration scheme: the Newtonian Calibrator. This system uses a rotor consisting of both quadrupole and hexapole mass distributions to apply a time-varying gravitational force on one of the observatory's test masses. The force produced by this rotor can be predicted to \( |
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| identifier | EISSN: 2331-8422 |
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| subjects | Calibration Gravitational waves LIGO (observatory) Observatories Quadrupoles Radiation pressure Rotors |
| title | Initial Results from the LIGO Newtonian Calibrator |
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