ANDES, the high resolution spectrograph for the ELT: visible arm optical bench and opto-mechanics phase-A status and update to phase-B

F. Tenegi; B. Chazelas; J. I. González Hernández; R. Rebolo; M. Amate

doi:10.1117/12.2627952

29 August 2022 ANDES, the high resolution spectrograph for the ELT: visible arm optical bench and opto-mechanics phase-A status and update to phase-B

F. Tenegi, B. Chazelas, J. I. González Hernández, R. Rebolo, M. Amate

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Proceedings Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V; 1218834 (2022) https://doi.org/10.1117/12.2627952
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

ANDES is a high-resolution spectrograph, extremely stable and fed with fibres, under the development for the ELT Telescope. This paper contains an overview of the Phase-A design status of the opto-mechanics and Optical Bench structure of the visible arm of ANDES, including a materials trade-off, several FEMs and lessons learned from the projects in which it has been inspired: HARPS and ESPRESSO. The baseline design of the phase B consists of three arms covering simultaneously the wavelength range 0,35-1,8 μm. Phase-B designs are going to be directly applied from solutions for Phase-A, since neither the layout nor the optical elements have changed dramatically.

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F. Tenegi, B. Chazelas, J. I. González Hernández, R. Rebolo, and M. Amate "ANDES, the high resolution spectrograph for the ELT: visible arm optical bench and opto-mechanics phase-A status and update to phase-B", Proc. SPIE 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 1218834 (29 August 2022); https://doi.org/10.1117/12.2627952

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