Stray light and thermal self-emission minimization at the ELT

Ronald Holzlöhner; Johan Kosmalski; Stéphane Guisard

doi:10.1117/12.2313314

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13 July 2018 Stray light and thermal self-emission minimization at the ELT

Ronald Holzlöhner, Johan Kosmalski, Stéphane Guisard

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Proceedings Volume 10700, Ground-based and Airborne Telescopes VII; 107000I (2018) https://doi.org/10.1117/12.2313314
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

We analyze the principal sources of thermal self-emission (TSE) in the European Southern Telescope (ELT) as they will be seen by the instruments observing in the infrared. Expected TSE levels for different mirror contamination levels and instrument cold stop types are provided.

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Ronald Holzlöhner, Johan Kosmalski, and Stéphane Guisard "Stray light and thermal self-emission minimization at the ELT", Proc. SPIE 10700, Ground-based and Airborne Telescopes VII, 107000I (13 July 2018); https://doi.org/10.1117/12.2313314

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