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Commissioning of LIGO detectors

Daniel Sigg

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The goal of the Laser Interferometer Gravitational-wave Observatory (LIGO) project is to measure and study gravitational waves from astrophysical sources. Currently, three interferometers with arm lengths of several kilometres and a design strain sensitivity of order 2\times 10^{-23}/\sqrt{\rm Hz} are being commissioned at two independent sites in Hanford (WA) and Livingston (LA). This paper describes the current progress towards achieving LIGO's target sensitivity.


PACS

07.60.Ly Interferometers

04.80.-y Experimental studies of gravity

MSC

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Dates

Issue 5 (7 March 2004)

Received 31 August 2003

Published 3 February 2004



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