Star separator system for the dual-field capability (PRIMA) of the VLTI

Francoise Delplancke; Jan Nijenhuis; Harry de Man; Luigi Andolfato; Rainer Treichel; Jan Hopman; Frederic Derie

doi:10.1117/12.551873

20 October 2004 Star separator system for the dual-field capability (PRIMA) of the VLTI

Francoise Delplancke; Jan Nijenhuis; Harry de Man; Luigi Andolfato; Rainer Treichel; Jan Hopman; Frederic Derie

Author Affiliations +

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.551873
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

In the framework of the Phase-Referenced Imaging and Micro-arcsecond Astrometry facility (PRIMA) developed for the Very Large Telescope Interferometer (VLTI), a sophisticated opto-mechanical system has been developed by TNO-TPD. It will be placed at the Coudé focus of the telescopes and will allow picking up two stars anywhere in a 2 arcmin field-of-view and collimating their light into two beams that will propagate through the rest of the interferometer toward the instrument. These Star Separator systems have a very high optical quality, fast and accurate pointing and chopping, independent high speed remote control of the beam tip-tilt and of the pupil position. They are very rigid, accurate mechanical systems non-sensitive to temperature variations The Star Separator systems are described in this paper.

Citation Download Citation

Francoise Delplancke, Jan Nijenhuis, Harry de Man, Luigi Andolfato, Rainer Treichel, Jan Hopman, Frederic Derie, "Star separator system for the dual-field capability (PRIMA) of the VLTI", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.551873; https://doi.org/10.1117/12.551873

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