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Hannover 2020 – scientific programme

The DPG Spring Meeting in Hannover had to be cancelled! Read more ...

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Q: Fachverband Quantenoptik und Photonik

Q 39: Posters: Quantum Optics and Photonics III

Q 39.14: Poster

Wednesday, March 11, 2020, 16:30–18:30, Empore Lichthof

High-Q monolithic inertial sensors for seismic control in gravitational wave detectorsSina Maria Köhlenbeck1,2, •Jonathan Carter1,2, Gerhard Heinzel1,2, and Oliver Gerberding31MPI für Gravitationsphysik, Callinstr. 38, 30167 Hannover — 2Institut für Gravitationsphysik, Leibniz Universität Hannover, Callinstr. 38, 30167 Hannover — 3Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg

Seismic noise is one of the noise sources limiting the performance of earth-bound interferometric gravitational wave detectors. To enhance the operation time of future detectors, new sensors for active stabilization of the mirror displacement are required. Commercial sensors are heavy, bulky and not vacuum compatible, where our design, based on an all-glass opto-mechanic oscillator with an interferometric read-out, resolves these constraints. The concept, design and first tests of the oscillators will be presented.

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