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physics.ins-det2025
Multi-scale optimal control for Einstein Telescope active seismic isolation
Pooya Saffarieh, Nathan A. Holland, Michele Valentini +6
We present a multi-scale optimal control framework for active seismic isolation in the Einstein Telescope, a third-generation gravitational-wave observatory. Our approach jointly o…
physics.ins-det2024
Integration of high-performance compact interferometric sensors in a suspended interferometer
Alexandra Mitchell, Johannes Lehmann, Philip Koch +6
Homodyne Quadrature Interferometers (HoQIs) are compact, low noise and high dynamic range displacement sensors designed for use in gravitational wave observatories. Their lower noi…