The optical baseline concept of the NISP near infrared spectrometer and photometer on board of the ESA/EUCLID satellite

Frank Grupp; Eric Prieto; Norbert Geis; Andreas Bode; Reinhard Katterloher; Robert Grange; Veronika Junk; Ralf Bender

doi:10.1117/12.925645

27 September 2012 The optical baseline concept of the NISP near infrared spectrometer and photometer on board of the ESA/EUCLID satellite

Frank Grupp, Eric Prieto, Norbert Geis, Andreas Bode, Reinhard Katterloher, Robert Grange, Veronika Junk, Ralf Bender

Author Affiliations +

Proceedings Volume 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave; 84420X (2012) https://doi.org/10.1117/12.925645
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

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. This paper shows the baseline concept of the NISP instrument with its two observational modes being low resolution slit-less spectroscopy and three band J, H and K+ photometry. The drivers for the optical design, the nominal performance as well as the tolerancing approach for NISP are being presented. The impact of the tolerance approach and the tight tolerances on the opto-mechanical design, assembly, integration and verification is addressed in a special section of this paper.

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Frank Grupp, Eric Prieto, Norbert Geis, Andreas Bode, Reinhard Katterloher, Robert Grange, Veronika Junk, and Ralf Bender "The optical baseline concept of the NISP near infrared spectrometer and photometer on board of the ESA/EUCLID satellite", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 84420X (27 September 2012); https://doi.org/10.1117/12.925645

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