The Hannover thermal noise experiment

Details The Hannover thermal noise experiment The Hannover thermal noise experiment

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21s1127l&link_type=abstract

Classical and Quantum Gravity, Volume 21, Issue 5, pp. S1127-S1131 (2004).

Physics

2

Scientific paper

To analyse the thermal noise of the pendulum mode of a suspended mirror, we interferometrically detect the differential movement of two mirrors suspended as multiple-stage pendulums. We present the set-up of this experiment and the current sensitivity, and also the different steps that we took in the past to increase the sensitivity, which include an auto alignment of the laser beam into the resonator eigenmode, changes of the seismic isolation system to more damping stages and higher moments of inertia and an intensive noise hunting.

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