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ID: 60668.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
LISA: laser interferometer space antenna for gravitational wave measurements
Authors:Hough, Jim; Bender, P. L.; Brillet, Alain; Ciufolini, I.; Danzmann, Karsten; Hellings, Ronald; Lobo, Alberto; Sandford, M.; Schutz, Bernard F.; Touboul, P.
Date of Publication (YYYY-MM-DD):1996-11
Title of Journal:Classical and Quantum Gravity
Issue / Number:11
Start Page:A247
End Page:A250
Review Status:not specified
Audience:Not Specified
Abstract / Description:LISA (laser interferometer space antenna) is designed to observe gravitational waves from violent events in the Universe in a frequency range from to which is totally inaccessible to ground-based experiments. It uses highly stabilized laser light (Nd:YAG, ) in a Michelson-type interferometer arrangement.
A cluster of six spacecraft with two at each vertex of an equilateral triangle is placed in an Earth-like orbit at a distance of 1 AU from the Sun, and behind the Earth. Three subsets of four adjacent spacecraft each form an interferometer comprising a central station, consisting of two relatively adjacent spacecraft (200 km apart), and two spacecraft placed at a distance of from the centre to form arms which make an angle of with each other. Each spacecraft is equipped with a laser.
A descoped LISA with only four spacecraft has undergone an ESA assessment study in the M3 cycle and the full six-spacecraft LISA mission has now been selected as a cornerstone mission in the ESA Horizon 2000-plus programme.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Astrophysical Relativity
MPI für Gravitationsphysik/Teilinstitut Hannover
External Affiliations:Department of Physics and Astronomy, University of Wales, Cardiff
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