A wide field corrector concept including an atmospheric dispersion corrector for the ESO-NTT

Frank Grupp; Florian Lang-Bardl; Ralf Bender

doi:10.1117/12.925622

24 September 2012 A wide field corrector concept including an atmospheric dispersion corrector for the ESO-NTT

Frank Grupp, Florian Lang-Bardl, Ralf Bender

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84465Z (2012) https://doi.org/10.1117/12.925622
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

An optical design for a wide field corrector (WFC) turning the ESO New Technology Telescope (NTT) into a powerful fiber coupled spectroscopic wide filed, multi object facility is presented. The design utilizes a three square degree (optional 5 square degrees are possible) field of view (FoV) and is designed for a 1.5 arcsec diameter fibre aperture. One of the three lenses of the corrector system is shifted laterally to achieve atmospheric dispersion correction. Image quality properties and a basic tolerancing analysis is shown with this paper.

Citation Download Citation

Frank Grupp, Florian Lang-Bardl, and Ralf Bender "A wide field corrector concept including an atmospheric dispersion corrector for the ESO-NTT", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84465Z (24 September 2012); https://doi.org/10.1117/12.925622

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