Measurement of the intrinsic mechanical loss of low-loss samples using a nodal support

We measured the mechanical loss of cylindrical samples made of fused silica. The loss due to the support was excluded by using a nodal support technique. We evaluated separately the intrinsic loss of the material and the loss due to the surface roughness by systematically analyzing the measured loss...

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Bibliographic Details
Published in:Physics letters. A 2000-10, Vol.276 (1), p.37-46
Main Authors: Numata, Kenji, Bianc, Giuseppe Bertolotto, Ohishi, Naoko, Sekiya, Atsushi, Otsuka, Shigemi, Kawabe, Keita, Ando, Masaki, Tsubono, Kimio
Format: Article
Language:English
Subjects:
Fused silica
Gravitational waves
Nodal support
Quality factor
Thermal noise
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Summary:We measured the mechanical loss of cylindrical samples made of fused silica. The loss due to the support was excluded by using a nodal support technique. We evaluated separately the intrinsic loss of the material and the loss due to the surface roughness by systematically analyzing the measured losses.
ISSN:0375-9601
1873-2429
DOI:10.1016/S0375-9601(00)00646-0