Projects per year
Abstract
Ground vibrations couple to the longitudinal and angular motion of the aLIGO test masses and limit the observatory sensitivity below 30 Hz. Novel inertial sensors have the potential to improve the aLIGO sensitivity in this band and simplify the lock acquisition of the detectors. In this paper, we experimentally study a compact 6D seismometer that consists of a mass suspended by a single wire. The position of the mass is interferometrically read out relative to the platform that supports the seismometer. We present the experimental results, discuss limitations of our metallic prototype, and show that a compact 6D seismometer made out of fused silica and suspended with a fused silica fibre has the potential to improve the aLIGO low frequency noise.
Original language | English |
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Article number | 015006 |
Journal | Classical and Quantum Gravity |
Volume | 39 |
Issue number | 1 |
Early online date | 6 Dec 2021 |
DOIs | |
Publication status | Published - 6 Jan 2022 |
Keywords
- controls
- feedback
- interferometric
- seismic isolation
- seismometers
- suspensions
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Dive into the research topics of 'A six degree-of-freedom fused silica seismometer: design and tests of a metal prototype'. Together they form a unique fingerprint.Projects
- 2 Finished
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Astrophysics at the University of Birmingham
Speake, C., Martynov, D., Stevens, I., Mow-Lowry, C., Vecchio, A., Smith, G., McGee, S., Freise, A., Miao, H., Gough, R. & Windridge, D.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/04/19 → 31/03/23
Project: Research
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Gravitational Wave Astronomy at the University of Birmingham, STFC Equipment Call 2018
Miao, H., Martynov, D., Vecchio, A., Mow-Lowry, C. & Freise, A.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/10/18 → 30/06/19
Project: Research Councils