计量学报2024，Vol.45Issue(3)：311-317,7.DOI:10.3969/j.issn.1000-1158.2024.03.02
用于引力波探测的星间激光干涉测量模拟系统
Inter-satellite Laser Interferometry Simulation System for Gravitational Wave Detection
摘要
Abstract
The inter-satellite laser interferometers have a longer interference arm(106 km)than the ground interferometer and can detect gravitational waves in lower frequency bands 0.1 mHz～1 Hz.The inter-satellite laser interferometer has a typical structure of a transponder-type heterodyne interferometer,and its essence is an optical phase-locked loop.The simulated inter-satellite laser interferometer is built on the ground,and the frequency of the slave laser is successfully locked to the frequency of the stabilized master laser.The results show that the locking time is more than 2 × 104 s,which meets the detection requirement of low-frequency signals.The interferometer has no coarse errors under different conditions of shorter and longer displacements.The noise caused by environmental disturbances such as temperature andair pressure is the key factor that restricts the accuracy of the interferometer.关键词
几何量计量/引力波/光学锁相环/星间激光干涉/低频信号Key words
geometric metrology/gravitational wave/optical phase-locking loop/inter-satellite laser interferometry/low-frequency signal分类
通用工业技术引用本文复制引用
穆衡霖,李岩..用于引力波探测的星间激光干涉测量模拟系统[J].计量学报,2024,45(3):311-317,7.基金项目
国家重点研发计划(2020YFC2200101) （2020YFC2200101）
