Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 48: Laseranwendungen: opt. Messtechnik

Q 48.4: Vortrag

Donnerstag, 15. März 2012, 15:00–15:15, V38.01

Dynamic tuning for a signal recycled interferometer. — •Dmitry Simakov — Albert Einstein Institut

The chirp signal has increasing in time frequency. We propose to follow the signal with the tuning of the signal recycled interferometer. By moving the SRM we going out of the steady state. It cannot be simulated by usual frequency domain. In order to simulate the dynamical tuning, a time-domain linear model of GEO600 interferometer was created. The shot noise in time-domain was studied for a different configuration: with homodyne detection and DC-Readout. The ground state and squeezed noises are studied. The simple model of radiation pressure noise was considered. The responses of the GEO 600 operating in different regimes to the chirp signal was simulated.

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