Atmospheric dispersion effects in ELTs and their compensation

Eli Atad-Ettedgui; Mette Owner-Petersen; Alexander V. Goncharov

doi:10.1117/12.787944

23 July 2008 Atmospheric dispersion effects in ELTs and their compensation

Eli Atad-Ettedgui, Mette Owner-Petersen, Alexander V. Goncharov

Proceedings Volume 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation; 70181D (2008) https://doi.org/10.1117/12.787944
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

In this paper we identify and attempt to quantify all effects of Atmospheric Dispersion (AD) which might affect the performance of a European ELT. For each effect, we examine the implications and possible methods of correction. We produce "demonstration-of-possibility" ADC designs for the proposed 42-m ("E-ELT"). The rotational (RADC) and linear ADC (LADC) optical designs are compared at the Nasmyth focus and at the intermediate focal plane.

Citation Download Citation

Eli Atad-Ettedgui, Mette Owner-Petersen, and Alexander V. Goncharov "Atmospheric dispersion effects in ELTs and their compensation", Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 70181D (23 July 2008); https://doi.org/10.1117/12.787944

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