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Proceedings Paper

Design and construction of the fibre system for FMOS
Author(s): Graham J. Murray; George N. Dodsworth; Robert Content; Naoyuki Tamura
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Paper Abstract

A consortium of Japanese, Australian and UK groups has developed a fibre-fed near IR (J & H band) multi-object spectrographic facility (FMOS) for the Subaru telescope. In this second-generation instrument, a novel prime focus 400-fibre multi-object positioning system, ECHIDNA, is optically linked via twin cables to dual IR spectrographs. The spectrographs are located some distance away, on a dedicated platform two levels above Nasmyth. The Centre for Advanced Instrumentation at Durham University oversaw the design and construction of the optical fibre system linking ECHIDNA to the spectrographs. A modularised connector within the cable scheme and an integral back illumination unit additionally featured as part of the Durham work-package. At the time of writing (mid 2008) FMOS, including the fibre system, is installed and functional on-telescope, with commissioning currently underway. This paper provides an overview of the design and construction of the optical fibre system.

Paper Details

Date Published: 11 July 2008
PDF: 12 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70145L (11 July 2008); doi: 10.1117/12.790411
Show Author Affiliations
Graham J. Murray, Univ. of Durham (United Kingdom)
George N. Dodsworth, Univ. of Durham (United Kingdom)
Robert Content, Univ. of Durham (United Kingdom)
Naoyuki Tamura, Subaru Telescope, National Astronomical Observatory of Japan (United States)

Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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