Performances of HARPS and FEROS fibers in La Silla ESO Observatory

Gerardo Avila; Dominique Kohler; Ernesto Araya; Alain Gilliotte; Wolfgang Eckert

doi:10.1117/12.551303

30 September 2004 Performances of HARPS and FEROS fibers in La Silla ESO Observatory

Gerardo Avila, Dominique Kohler, Ernesto Araya, Alain Gilliotte, Wolfgang Eckert

Author Affiliations +

Proceedings Volume 5492, Ground-based Instrumentation for Astronomy; (2004) https://doi.org/10.1117/12.551303
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

Optical fibres have been extensively used at ESO to link telescopes to spectrographs. The last two developments included the preparation of the fibres for the HARPS and FEROS instruments in La Silla Observatory. The HARPS fibre bundle uses a high efficient scrambler for precise measurements of radial velocities (< 1 m/s). The FEROS fibre micro-lenses were updated to match the 2.2 m telescope with emphasis in optimizing the efficiency. This paper describes the features and performances of these fibres.

Citation Download Citation

Gerardo Avila, Dominique Kohler, Ernesto Araya, Alain Gilliotte, and Wolfgang Eckert "Performances of HARPS and FEROS fibers in La Silla ESO Observatory", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.551303

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