Frequency and surface dependence of the mechanical loss in fused silica

Details Frequency and surface dependence of the mechanical loss in fused silica Frequency and surface dependence of the mechanical loss in fused silica

2005-07-23

arxiv.org/abs/gr-qc/0507097v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 3 figure but 5 figure files

Scientific paper

We have compiled measurements of the mechanical loss in fused silica from samples spanning a wide range of geometries and resonant frequency in order to model the known variation of the loss with frequency and surface-to-volume ratio. This improved understanding of the mechanical loss has contributed significantly to the design of advanced interferometric gravitational wave detectors, which require ultra-low loss materials for their test mass mirrors.

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