detector characterization
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Galaxies ◽  
2022 ◽  
Vol 10 (1) ◽  
pp. 12
Author(s):  
Derek Davis ◽  
Marissa Walker

Since the early stages of operation of ground-based gravitational-wave interferometers, careful monitoring of these detectors has been an important component of their successful operation and observations. Characterization of gravitational-wave detectors blends computational and instrumental methods of investigating the detector performance. These efforts focus both on identifying ways to improve detector sensitivity for future observations and understand the non-idealized features in data that has already been recorded. Alongside a focus on the detectors themselves, detector characterization includes careful studies of how astrophysical analyses are affected by different data quality issues. This article presents an overview of the multifaceted aspects of the characterization of interferometric gravitational-wave detectors, including investigations of instrumental performance, characterization of interferometer data quality, and the identification and mitigation of data quality issues that impact analysis of gravitational-wave events. Looking forward, we discuss efforts to adapt current detector characterization methods to meet the changing needs of gravitational-wave astronomy.


Optik ◽  
2021 ◽  
pp. 168280
Author(s):  
Gautam Shaw ◽  
Shyam Sridharan ◽  
Anil Prabhakar

Author(s):  
Siddharth Soni ◽  
Christopher Berry ◽  
Scott Coughlin ◽  
Mahboobeh Harandi ◽  
Corey Jackson ◽  
...  

Author(s):  
Natalie Zinski ◽  
Drew M. Miles ◽  
James H. Tutt ◽  
Randall L. McEntaffer ◽  
Ross McCurdy ◽  
...  

Author(s):  
Derek Davis ◽  
Joseph S Areeda ◽  
Beverly K Berger ◽  
Robert Bruntz ◽  
Anamaria Effler ◽  
...  

Author(s):  
T Akutsu ◽  
M Ando ◽  
K Arai ◽  
Y Arai ◽  
S Araki ◽  
...  

Abstract KAGRA is a newly built gravitational wave observatory, a laser interferometer with a 3 km arm length, located in Kamioka, Gifu, Japan. In this series of articles, we present an overview of the baseline KAGRA, for which we finished installing the designed configuration in 2019. This article describes the method of calibration (CAL) used for reconstructing gravitational wave signals from the detector outputs, as well as the characterization of the detector (DET). We also review the physical environmental monitors (PEM) system and the geophysics interferometer (GIF). Both are used for characterizing and evaluating the data quality of the gravitational wave channel. They play important roles in utilizing the detector output for gravitational wave searches. These characterization investigations will be even more important in the near future, once gravitational wave detection has been achieved, and in using KAGRA in the gravitational wave astronomy era.


2020 ◽  
Vol 91 (12) ◽  
pp. 123304
Author(s):  
H. Tang ◽  
B. K. Russell ◽  
A. Maksimchuk ◽  
P. T. Campbell ◽  
M. J.-E. Manuel ◽  
...  

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