Development of the single fibres and IFUs of WEAVE

Isabelle Guinouard; Piercarlo Bonifacio; Scott C. Trager; Marc A. W. Verheijen; Ian Lewis; Gavin Dalton

doi:10.1117/12.924885

13 September 2012 Development of the single fibres and IFUs of WEAVE

Isabelle Guinouard, Piercarlo Bonifacio, Scott C. Trager, Marc A. W. Verheijen, Ian Lewis, Gavin Dalton

Proceedings Volume 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II; 84503I (2012) https://doi.org/10.1117/12.924885
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

WEAVE is a new wide-field spectroscopy facility proposed for the prime focus of the 4.2m William Herschel telescope. The facility comprises a new 2 degree field of view prime focus corrector with a 1000-multiplex fibre positioner, a small number of individually deployable IFUs, and a large single IFU. The IFUs and the MOS fibres can be used to feed a dual-beam spectrograph that will provide full coverage of the majority of the visible spectrum in a single exposure at a resolution ~5000 or two 50nm-wide regions at a resolution of ~20000. This paper sums up the design of these two modes and describes the specific developments required to optimise the performances of the fibre system.

Citation Download Citation

Isabelle Guinouard, Piercarlo Bonifacio, Scott C. Trager, Marc A. W. Verheijen, Ian Lewis, and Gavin Dalton "Development of the single fibres and IFUs of WEAVE", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84503I (13 September 2012); https://doi.org/10.1117/12.924885

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