Opto-mechanical analysis framework for the tolerancing of the METIS CFO

Dennis Dolkens; Niels Tromp; Daan Zaalberg; Mirka Lewinska-Maresca; Marijn Versteeg; Jan Kragt; Rik ter Horst; Eddy Elswijk; Elfi Dijkstra; Menno de Haan; Sander Kwast; Dirk Lesman; Ivan Lloro; Jeff Lynn; Remko Stuik; Felix Bettonvil; Bernhard Brandl

doi:10.1117/12.3020327

24 August 2024 Opto-mechanical analysis framework for the tolerancing of the METIS CFO

Dennis Dolkens, Niels Tromp, Daan Zaalberg, Mirka Lewinska-Maresca, Marijn Versteeg, Jan Kragt, Rik ter Horst, Eddy Elswijk, Elfi Dijkstra, Menno de Haan, Sander Kwast, Dirk Lesman, Ivan Lloro, Jeff Lynn, Remko Stuik, Felix Bettonvil, Bernhard Brandl

Author Affiliations +

Proceedings Volume 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI; 1309929 (2024) https://doi.org/10.1117/12.3020327
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The Mid-infrared ELT Imager and Spectrograph (METIS) is one of the first-light scientific instruments for the ELT. The common fore optics (CFO) sits at the heart of METIS, conditioning the beam and distributing the light across the wavefront sensor and science channels. To ensure it can reach its science goals, rigorous analysis of manufacturing and alignment tolerances is essential. For the CFO, an end-to-end tolerancing system was developed, integrating component level analyses, FEA results, as-built data to continuously optimize system performance during the design phase, as well as manufacturing and assembly phase.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Dennis Dolkens, Niels Tromp, Daan Zaalberg, Mirka Lewinska-Maresca, Marijn Versteeg, Jan Kragt, Rik ter Horst, Eddy Elswijk, Elfi Dijkstra, Menno de Haan, Sander Kwast, Dirk Lesman, Ivan Lloro, Jeff Lynn, Remko Stuik, Felix Bettonvil, and Bernhard Brandl "Opto-mechanical analysis framework for the tolerancing of the METIS CFO", Proc. SPIE 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI, 1309929 (24 August 2024); https://doi.org/10.1117/12.3020327

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