Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 15: Poster: Quantum Optics and Photonics I

Q 15.74: Poster

Montag, 23. März 2015, 17:00–19:00, C/Foyer

The AEI 10m-Prototype Suspension Platform Interferometer — •Sina Köhlenbeck for the AEI 10m-Prototype Team — Albert-Einstein-Institut Hannover, Max-Planck-Institut für Gravitationspyhsik und Institut für Gravitationsphysik der Universität Hannover

The AEI 10m-Prototype facility is an environment for interferometry at the Standard Quantum Limit and a place to test new techniques for the next generation of gravitational wave detectors. Such experiments require extreme isolation from external vibrations. Three optical benches are pre-isolated by a passive isolation system, which attenuates ground motion down to 0.1 Hz. Below this frequency active feedback is required to stabilise the optical benches relative to each other. Therefore the Suspension Platform Interferometer (SPI) measures the longitudinal degrees of freedom using heterodyne Mach-Zehnder interferometry and the rotational degrees of freedom using optical levers. The optical set-up and initial results are presented.