DETECTION OF SLOW GEOPHYSICAL PERTURBATIONS IN GRAVITATIONAL-WAVE INTERFEROMETERS

被引：2
|
作者：
Gusev, A. V. [1 ]
Rudenko, V. N. [1 ]
Yudin, I. S. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Shternberg State Astron Inst, Moscow, Russia
来源：
MEASUREMENT TECHNIQUES | 2011年 / 54卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
laser gravitational antennas; Pound-Drever circuit; optical interferometers;
D O I：
10.1007/s11018-011-9770-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Techniques for measuring quasistatic geophysical perturbations with gravitational-wave laser interferometers are studied. The transfer function for this kind of apparatus with destructive interference (the dark spot regime) is calculated taking the natural asymmetry of the lengths of the arms of the Fabry-Perot optical cavities into account. Equations are derived for estimating the modulation in the power of the output signal at the photon circulation frequency in the arms of the interferometer owing to geophysical perturbations. These estimates are compared with observations on the LIGO interferometer.
引用
收藏
页码：585 / 592
页数：8
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