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
收藏
页码：263 / 270
页数：8
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