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Title: SIM System Testbed: 3-baseline stellar interferometer on a 9-meter long flexible structure
Authors: Alvarez-Salazar, Oscar S.
Goullioud, Renaud
Azizi, Ali
Keywords: interferometry
fringe tracking
Space Interferometry Mission (SIM)
Issue Date: 21-Jun-2004
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004.
Citation: SPIE Astronomical Telescopes and Instrumentiation 2004, Glosgow, Scotland, June 21, 2004.
Abstract: The Space Interferometry Mission’s System Testbed-3 has recently integrated its Precision Support Structure and spacecraft backpack (bus) on a pseudo-free-free 0.5 Hz passive isolation system. The Precision Support Structure holds a 3-baseline stellar interferometer instrument. The architecture of the instrument is based on the current Space Interferometry Mission flight system design, and its primary purpose is to demonstrate nanometer class fringe stabilization using the path length feed forward technique. This paper describes the overall instrument architecture, brief theory of operation, and preliminary measurements.
Appears in Collections:JPL TRS 1992+

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