Calibration of the Advanced LIGO detectors
Event Date:
2020-02-26T11:00:00
2020-02-26T12:00:00
Event Location:
Hennings 318
Speaker:
Dr. Evan Goetz
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Intended Audience:
Graduate
Event Information:
Ground-based gravitational wave detectors are kilometre-scale laser interferometers that operate in a closed servo control loop configuration. The output data stream must be accurately and precisely calibrated to estimate the impinging gravitational wave signal. Gravitational waveforms, astrophysical source parameters, and cosmological parameter estimates all rely upon this calibrated data stream, so it is critical that calibration be done with a high degree of accuracy and precision. In this talk, I will describe how the Advanced LIGO detectors are calibrated and the challenges in accurately and precisely determining the calibration on the scale of 1e-19 m at the 1% level.
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2020-02-26T11:00:00
2020-02-26T12:00:00
Calibration of the Advanced LIGO detectors
Event Information:
Ground-based gravitational wave detectors are kilometre-scale laser interferometers that operate in a closed servo control loop configuration. The output data stream must be accurately and precisely calibrated to estimate the impinging gravitational wave signal. Gravitational waveforms, astrophysical source parameters, and cosmological parameter estimates all rely upon this calibrated data stream, so it is critical that calibration be done with a high degree of accuracy and precision. In this talk, I will describe how the Advanced LIGO detectors are calibrated and the challenges in accurately and precisely determining the calibration on the scale of 1e-19 m at the 1% level.
Event Location:
Hennings 318