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DC readout experiment in Enhanced LIGO

Fricke, Tobin T; Smith-Lefebvre, Nicolas; Abbott, Richard; Adhikari, Rana; Dooley, Katherine L; Evans, M; Fritschel, Peter; Frolov, V; Kawabe, Keita; Kissel, Jeffrey S; Slagmolen, Bram; Waldman, Sam J; Waldman, S


The two 4 km long gravitational wave detectors operated by the Laser Interferometer Gravitational-wave Observatory (LIGO) were modified in 2008 to read out the gravitational wave channel using the DC readout form of homodyne detection and to include an optical filter cavity at the output of the detector. As part of the upgrade to Enhanced LIGO, these modifications replaced the radio-frequency (RF) heterodyne system used previously. We describe the motivations for and the implementation of DC...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Classical and Quantum Gravity
DOI: 10.1088/0264-9381/29/6/065005


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