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10 July 2018 Final design of optical fibre routing for 4MOST
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Abstract
4MOST is a fibre-fed, multi-object spectroscopic survey facility to be installed on the VISTA telescope at ESO's Paranal observatory. This paper presents the final mechanical design of the optical fibre route from the fibre positioner at the focal plane of VISTA to the fibre-slits within the high- and low-resolution spectrographs below the azimuth platform. The technical challenges are to provide a safe, durable and efficient fibre route for over 2400 fibres. To accommodate the movements of the telescope, a Cassegrain Cable Wrap and a novel elevation chain concept has been prototyped and extensively tested to validate the design solutions.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Allar Saviauk, Peter Buschkamp, Patrick Caillier, Carmen Feiz, Dionne Haynes, Roger Haynes, Tomas Jahn, Andreas Kelz, Jean-Emmanuel Migniau, Johannes Piotrowski, Dennis Plüschke, Swara Rahurkar, and Walter Seifert "Final design of optical fibre routing for 4MOST", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107065Y (10 July 2018); https://doi.org/10.1117/12.2312160
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