Metimage sun simulator OGSE: from design to achieved performances

P. Blain; E. Mazy; A. Mazzoli; A. Baeke; L. Clermont; Y. Stockman; I. Domken

doi:10.1117/12.2630351

27 August 2022 Metimage sun simulator OGSE: from design to achieved performances

P. Blain, E. Mazy, A. Mazzoli, A. Baeke, L. Clermont, Y. Stockman, I. Domken

Proceedings Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 1218035 (2022) https://doi.org/10.1117/12.2630351
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

In order to characterize and calibrate the Metimage spectro-radiometer instrument response in Solar Spectral Bands, an Optical Ground Support Equipment (OGSE), a sun simulator has been designed and developed at CSL. This Sun Simulator (SUSI) is designed for wavelength ranging from 400 nm to 2300 nm. In order to reach radiance and both spatial and angular homogeneity requirements a specific design allowing mixing up to 4 plasma lamp sources has been designed and implemented. This mixing and homogenizing device is placed at the focal plane of an Off Axis parabolic mirror which will produce an 0.5° full divergence beam over a pupil of 350 mm. First the design and its challenges will be given. Simulation of SUSI performances are then proposed. Finally, experimentally measured performances of the OGSE are presented.

Citation Download Citation

P. Blain, E. Mazy, A. Mazzoli, A. Baeke, L. Clermont, Y. Stockman, and I. Domken "Metimage sun simulator OGSE: from design to achieved performances", Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 1218035 (27 August 2022); https://doi.org/10.1117/12.2630351

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