Suspension design for GEO 600-an update

Details Suspension design for GEO 600-an update Suspension design for GEO 600-an update

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..523..313r&link_type=abstract

GRAVITATIONAL WAVES: Third Edoardo Amaldi Conference. AIP Conference Proceedings, Volume 523, pp. 313-319 (2000).

Physics

4

Gravitational Wave Detectors And Experiments

Scientific paper

The GEO 600 gravitational wave detector (1) is currently under construction at Ruthe, near Hannover in Germany. The design of the suspension system for the main mirrors in the detector has been chosen such that thermal noise due to the internal modes of the mirrors is expected to set the sensitivity limit from 50 Hz to ~200 Hz. Thus the design must be such that the effects of seismic noise and thermal noise from the suspensions are lower than the ``internal'' thermal noise at and above 50 Hz. To achieve this, a triple pendulum suspension incorporating fused silica fibers in the lowest stage forms the major part of the overall suspension and isolation system. In this paper, recent work on developing several aspects of the triple pendulum design is discussed. .

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