4.5 Article

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

Journal

PHYSICS LETTERS A
Volume 276, Issue 1-4, Pages 37-46

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S0375-9601(00)00646-0

Keywords

thermal noise; quality factor; nodal support; fused silica; gravitational waves

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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. (C) 2000 Elsevier Science B.V. All rights reserved.

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