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Alignment of the ESPRESSO Coudé train on the ESO VLT

G. Avila, A. Cabral, J. Coelho, P. Santos, C. Silva, B. Delabre, D. Megevand, M. Abreu, A. Oliveira, M. Riva, M. Aliverti, G. Pariani

Abstract
ESPRESSO is a high resolution UV-vis spectrograph that will be placed in the combined Coudé laboratory of the ESO VLT. The instrument is in its assembly phase and the Coudé optics will start to be mounted at the telescope in the first quarter of 2016. This paper describes the optics of the train and the strategies for its alignment taking into account the main constraints: accessibility, mechanical, as per built optics, tolerances and tools.

Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
Ramón Navarro, James H. Burge

SPIE
Volume 9912
2016 July

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Instituto de Astrofísica e Ciências do Espaço Universidade do Porto Faculdade de Ciências da Universidade de Lisboa
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia