Test of an 18-m-long suspended modecleaner cavity

被引:17
作者
Skeldon, KD
Strain, KA
Grant, AI
Hough, J
机构
[1] Department of Physics and Astronomy, University of Glasgow
关键词
ALIGNMENT;
D O I
10.1063/1.1147194
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Fluctuations in laser beam geometry such as lateral beam movement and beam width variation can produce perturbations in the output signal of a laser interferometer through various coupling mechanisms. In order to avoid this type of laser noise from degrading the sensitivity of interferometers designed to detect gravitational radiation, currently planned long-base-line detectors will employ resonant optical filters called modecleaners to suppress beam geometry noise. Here we describe a prototype modecleaner cavity constructed at Glasgow having an optical path length of 18 m and containing four suspended mirrors. We present results detailing various aspects of its performance. (C) 1996 American Institute of Physics.
引用
收藏
页码:2443 / 2448
页数:6
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