Optical design and optical properties of a VUV spectrographic imager for ICON mission

Jerome Loicq; Christian Kintziger; Alexandra Mazzoli; Tim Miller; Cathy Chou; Harald U. Frey; Thomas J. Immel; Stephen B. Mende

doi:10.1117/12.2232588

18 July 2016 Optical design and optical properties of a VUV spectrographic imager for ICON mission

Jerome Loicq, Christian Kintziger, Alexandra Mazzoli, Tim Miller, Cathy Chou, Harald U. Frey, Thomas J. Immel, Stephen B. Mende

Author Affiliations +

Proceedings Volume 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray; 990507 (2016) https://doi.org/10.1117/12.2232588
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

In the frame of the ICON (Ionospheric Connection Explorer) mission of NASA led by UC Berkeley, CSL and SSL Berkeley have designed in cooperation a new Far UV spectro-imager. The instrument is based on a Czerny-Turner spectrograph coupled with two back imagers. The whole field of view covers [± 12° vertical, ± 9° horizontal]. The instrument is surmounted by a rotating mirror to adjust the horizontal field of view pointing by ± 30°. To meet the scientific imaging and spectral requirements the instrument has been optimized. The optimization philosophy and related analysis are presented in the present paper. PSF, distortion map and spectral properties are described. A tolerance study and alignment cases were performed to prove the instrument can be built and aligned. Finally straylight and out of band properties are discussed.

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Jerome Loicq, Christian Kintziger, Alexandra Mazzoli, Tim Miller, Cathy Chou, Harald U. Frey, Thomas J. Immel, and Stephen B. Mende "Optical design and optical properties of a VUV spectrographic imager for ICON mission", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990507 (18 July 2016); https://doi.org/10.1117/12.2232588

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