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LISA Pathfinder E2E performance simulation: optical and self-gravity stability analysis

delete2005-04-28
delete8
PRE
AI
N
Nico Brandt *
W
Walter Fichter
M
Michael Kersten
S
Stefano Lucarelli
F
Fabio Montemurro
DOI：10.1088/0264-9381/22/10/049delete
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Abstract

Abstract

En 中文
End-to-end (E2E) modelling and simulation, i.e. verifying the science performance of LISA Pathfinder (spacecraft and payload), is mandatory in order to minimize mission risks. In this paper, focus is on two particular applications of the E2E performance simulator currently being developed at EADS Astrium GmbH: the opto-dynamical stability and the self-gravity disturbance stability analysis. The E2E models applied here comprise the opto-dynamical modelling of the optical metrology systems (OMS) laser interferometry, the thermoelastic distortion modelling of the OMS optical elements and the self-gravity disturbance model accounting for structural distortions. Preliminary analysis results are presented in detail, identifying shortcomings of the current LISA technology package (LTP) mounting baseline. As a consequence, the design is now being revised.
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Journal

Classical and Quantum Gravity cover
Classical and Quantum Gravity
IF:
3.7
Papers:
1.3W
Citations:
3.0W

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