Performances of HARPS and FEROS fibers in La Silla ESO Observatory

Details Performances of HARPS and FEROS fibers in La Silla ESO Observatory Performances of HARPS and FEROS fibers in La Silla ESO Observatory

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5492..669a&link_type=abstract

Ground-based Instrumentation for Astronomy. Edited by Alan F. M. Moorwood and Iye Masanori. Proceedings of the SPIE, Volume 5492

Astronomy and Astrophysics

Astronomy

3

Scientific paper

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.

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