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Proceedings Paper

A tolerancing approach taking into account the interferometric alignment scheme of the EUCLID NISP space optics
Author(s): Frank Grupp; Eric Prieto; Norbert Geis; Andreas Bode; Reinhard Katterloher; Christof Bodendorf; Martin Becker; Stephanie Bogner; Ralf Bender
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Paper Abstract

The ESA/EUCLID satellite is equipped with two instruments that are simultaneously observing patches of < 0:5 square degree on the sky. The VIS visual light high spacial resolution imager and the NISP near infrared spectrometer and photometer are separated by a di-chroic beam splitter. The huge field of view, together with the enormous demands on the optical performance and in flight stability of the instruments and telescope lead to unique demands in post launch alignment. A very detailed, very well set up optical tolerance analysis is therefore one key point in the success of the mission. Design and alignment have to be optimized for best toleranced performance. This paper presents the baseline concept of the NISP instrument with its two observational modes being low resolution slit-less spectroscopy and three band J, H&K+ photometry. Special chapters deal with the alignment scheme and the derived tolerance approach which will be used towards the instrument PDR.

Paper Details

Date Published: 26 September 2013
PDF: 11 pages
Proc. SPIE 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, 88600G (26 September 2013); doi: 10.1117/12.2023264
Show Author Affiliations
Frank Grupp, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)
Eric Prieto, LAM, CNRS, Aix-Marseille Univ. (France)
Norbert Geis, Max-Planck-Institut für extraterrestrische Physik (Germany)
Andreas Bode, Max-Planck-Institut für extraterrestrische Physik (Germany)
Reinhard Katterloher, Max-Planck-Institut für extraterrestrische Physik (Germany)
Christof Bodendorf, Max-Planck-Institut für extraterrestrische Physik (Germany)
Martin Becker, Max-Planck-Institut für extraterrestrische Physik (Germany)
Ernst-Abbe Fachhochschule (Germany)
Stephanie Bogner, Max-Planck-Institut für extraterrestrische Physik (Germany)
Ernst-Abbe Fachhochschule (Germany)
Ralf Bender, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)


Published in SPIE Proceedings Vol. 8860:
UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI
Howard A. MacEwen; James B. Breckinridge, Editor(s)

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