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LISA optics model

Eugene Waluschka

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The LISA experiment has six telescopes, in three spacecrafts, in separate orbits about the sun. There is a continuous laser link between all the spacecrafts. The use of standard optical design and analysis of computer codes is not possible because of the large, 5 million km, distances between the spacecrafts, the fact that the spacecrafts are in separate orbits and the need for subpicometre accuracies. A description of the approach used to model the optics in the spacecraft in orbit is presented and use of this model in acquisition and control strategies is briefly discussed.


PACS

07.60.Ly Interferometers

07.05.Tp Computer modeling and simulation

04.80.Nn Gravitational wave detectors and experiments

95.55.Pe Lunar, planetary, and deep-space probes

MSC

78A50 Antennas, wave-guides

78A60 Lasers, masers, optical bistability, nonlinear optics (See also 81V80)

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 10 (21 May 2003)

Received 28 October 2002

Published 28 April 2003



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