SMIRFS: an infrared multifiber spectroscopic coupler for UKIRT

Roger Haynes; Ian Robert Parry

doi:10.1117/12.176764

1 June 1994 SMIRFS: an infrared multifiber spectroscopic coupler for UKIRT

Roger Haynes, Ian Robert Parry

Proceedings Volume 2198, Instrumentation in Astronomy VIII; (1994) https://doi.org/10.1117/12.176764
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

We describe an IR multi-fibre system we are currently building for UKIRT. SMIRFS (Spectroscopic multiple infrared fibre system) will feed the CGS4 spectrograph, providing it with a multi-object capability in the J, H and K bands. For efficient coupling the inputs and outputs of the fibres are microlensed. Because the telescope is normally focused inside CGS4 for conventional spectroscopy the SMIRFS fibre slit is projected in to CGS4 by a spherical mirror. IR optimised Silica fibres are used for the J and H bands and Zirconium Fluoride fibres are used for the K band.

Citation Download Citation

Roger Haynes and Ian Robert Parry "SMIRFS: an infrared multifiber spectroscopic coupler for UKIRT", Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); https://doi.org/10.1117/12.176764

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