Very High Q Measurements on a Fused Silica Monolithic Pendulum for Use in Enhanced Gravity Wave Detectors

Details Very High Q Measurements on a Fused Silica Monolithic Pendulum for Use in Enhanced Gravity Wave Detectors Very High Q Measurements on a Fused Silica Monolithic Pendulum for Use in Enhanced Gravity Wave Detectors

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvl..85.2442c&link_type=abstract

Physical Review Letters, Volume 85, Issue 12, September 18, 2000, pp.2442-2445

Physics

24

Scientific paper

We present for the first time the results of very high Q factor measurements for a 2.8 kg fused silica mass suspended by two fused quartz fibers attached by a novel technique for joining fused silica or quartz. The Q for the pendulum mode at 0.93 Hz was \(2.3+/-0.2\)×107, the highest value demonstrated to date for a mass of this size. By employing such a new suspension system the sensitivity of the gravitational wave detectors currently under construction can be increased up to 1 order of magnitude.

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