Calibration of GEO 600 for the S1 science run
Calibration of GEO 600 for the S1 science run
复制标题
为 S1 科学运行校准 GEO 600
DOI：
10.1088/0264-9381/20/17/330
复制
发表时间：
2003
影响因子：
3.5
通讯作者：
U. Weiland
中科院分区：
文献类型：
--
作者：
M. Hewitson;H. Grote;G. Heinzel;K. Strain;H. Ward;U. Weiland
2002年，干涉引力波探测器GEO 600与世界各地的其他探测器一起参加了一次同步科学运行（S1）。完成后，地球同步轨道将采用双重再循环方案，使其峰值灵敏度能够在探测波段的一系列频率范围内进行调整。仍然在调试阶段，GEO在S1期间作为动力回收的迈克尔逊运行。准确校准地球同步轨道对引力波的灵敏度是准备地球同步轨道数据以便与构成世界范围探测器网络的其他探测器交换的一个关键步骤。提出了一种在线定标方案，对能量回收的GEO探测器进行实时定标。该方案稍后将被扩展以覆盖双循环干涉仪的更复杂的情况，其中多个输出信号将需要被组合以最佳地恢复校准的应变通道。本报告概述了S1期间使用的校准方案。还介绍了探测器的表征工作，自然产生的校准工作的结果。
In 2002, the interferometric gravitational wave detector GEO 600 took part in a coincident science run (S1) with other detectors world-wide. When completed, GEO will employ a dual-recycling scheme which will allow its peak sensitivity to be tuned over a range of frequencies in the detection band. Still in the commissioning phase, GEO was operated as a power-recycled Michelson for the duration of S1. The accurate calibration of the sensitivity of GEO to gravitational waves is a critical step in preparing GEO data for exchange with other detectors forming a world-wide detector network. An online calibration scheme has been developed to perform real-time calibration of the power-recycled GEO detector. This scheme will later be extended to cover the more complex case of the dual-recycled interferometer in which multiple output signals will need to be combined to optimally recover a calibrated strain channel. This report presents an outline of the calibration scheme that was used during S1. Also presented are results of detector characterization work that arises naturally from the calibration work.