The ST7 Interferometer

Two homodyne Michelson interferferometers aboard the LISA Pathfinder spacecraft will measure the the positions of two free-floating test masses, as part of the NASA ST7 mission. The interferometer is required to measure the separation between the test masses with sensitivity of 30 pm/sqrt(Hz) at 10...

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Bibliographic Details
Published inarXiv.org
Main Authors Spero, Robert, Kuhnert, Andreas
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 07.10.2003
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Summary:Two homodyne Michelson interferferometers aboard the LISA Pathfinder spacecraft will measure the the positions of two free-floating test masses, as part of the NASA ST7 mission. The interferometer is required to measure the separation between the test masses with sensitivity of 30 pm/sqrt(Hz) at 10 mHz. The readout scheme is described, error sources are analyzed, and experimental results are presented.
ISSN:2331-8422
DOI:10.48550/arxiv.0310036