The Extreme Ultraviolet Imager (EUI) instrument for the Solar Orbiter mission will image the solar corona in the extreme ultraviolet (17.1 nm and 30.4 nm) and in the vacuum ultraviolet (121.6 nm) spectral ranges. The development of the EUI instrument has been successfully completed with the optical alignment of its three channels’ telescope, the thermal and mechanical environmental verification, the electrical and software validations, and an end-toend on-ground calibration of the two-units’ flight instrument at the operating wavelengths. The instrument has been delivered and installed on the Solar Orbiter spacecraft, which is now undergoing all preparatory activities before launch.
J.-P. Halain, E. Renotte, F. Auchère, D. Berghmans, F. Delmotte, L. Harra, W. Schmutz, U. Schühle, R. Aznar Cuadrado, C. Dumesnil, M. Gyo, T. Kennedy, C. Verbeeck, J. Barbay, B. Giordanengo, S. Gissot , A. Gottwald, K. Heerlein, M.-L. Hellin, A. Hermans, V. Hervier, L. Jacques, C. Laubis, A. Mazzoli, S. Meining, R. Mercier, A. Philippon, S. Roose, L. Rossi, F. Scholze, P. Smith, L. Teriaca, X. Zhang, and P. Rochus, "The EUI flight instrument of Solar Orbiter: from optical alignment to end-to-end calibration," Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray, 106990H (Presented at SPIE Astronomical Telescopes + Instrumentation: June 10, 2018; Published: 6 July 2018); https://doi.org/10.1117/12.2309339.
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