Eigenfrequencies and quality factors of vibration of aluminium alloy spherical resonators

被引：17

作者：

Coccia, E

Fafone, V

Frossati, G

terHaar, E

Meisel, MW

机构：

[1] IST NAZL FIS NUCL,SEZ ROMA 2,I-00133 ROME,ITALY

[2] LEIDEN UNIV,KAMERLINGH ONNES LAB,NL-2300 RA LEIDEN,NETHERLANDS

来源：

PHYSICS LETTERS A | 1996年 / 219卷 / 5-6期

关键词：

gravitational wave detectors; mechanical resonances;

D O I：

10.1016/0375-9601(96)00452-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the eigenfrequencies and quality factors of vibration of the lowest quadrupole modes of Al 5056 spherical resonators at very low temperatures, Q values of spheroidal modes ranging from 3 x 10(6) to 2 x 10(7) in a bulk sample and from 1.7 x 10(6) to 8 x 10(6) in an explosively bonded sample were measured. A Q value of 1.2 x 10(8) was found in a higher order mode of the bulk sample, Independence of the quadrupole modes was measured within one part in 10(5) in amplitude.

引用

页码：263 / 270

页数：8

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