About: Fiducial displacements with improved accuracy for the global network of gravitational wave detectors

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Fiducial displacements with improved accuracy for the global network of gravitational wave detectors
Creator	Karki, S Betzwieser, J Bhattacharjee, D Bossilkov, V Kandhasamy, S »more»
source	ArXiv
abstract	As sensitivities improve and more detectors are added to the global network of gravitational wave observatories, calibration accuracy and precision are becoming increasingly important. Photon calibrators, relying on power-modulated auxiliary laser beams reflecting from suspended interferometer optics, enable continuous calibration by generating displacement fiducials proportional to the modulated laser power. Developments in the propagation of laser power calibration via transfer standards to on-line power sensors monitoring the modulated laser power have enabled generation of length fiducials with improved accuracy. Estimated uncertainties are almost a factor of two smaller than the lowest values previously reported. This is partly due to improvements in methodology that have increased confidence in the results reported. Referencing the laser power calibration standards for each observatory to a single transfer standard enables reducing relative calibration errors between elements of the detector network. Efforts within the national metrology institute community to realize improved laser power sensor calibration accuracy are ongoing.
has issue date	2020-05-29(xsd:dateTime)
has license	arxiv
sha1sum (hex)	b27845d62da55ca92a29a286ac3203195b9e5d72
resource representing a document's title	Fiducial displacements with improved accuracy for the global network of gravitational wave detectors
resource representing a document's body	covid:b27845d62da55ca92a29a286ac3203195b9e5d72#body_text
is schema:about of	named entity 'gravitational wave observatories' named entity 'transfer functions' named entity 'mass transfer' named entity 'sensor' named entity 'magnitude' »more»

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