Design and construction of the GNIRS IFU

Details Design and construction of the GNIRS IFU Design and construction of the GNIRS IFU

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newar..50..342d&link_type=abstract

New Astronomy Reviews, Volume 50, Issue 4-5, p. 342-345.

Astronomy and Astrophysics

Astronomy

1

95.55.-N, 42.79.-E

Scientific paper

The addition of an image slicing integral field unit (IFU) developed by the Centre for Advanced Instrumentation (CfAI) of Durham University, has given the GEMINI near-infrared spectrograph (GNIRS) currently in operation at the GEMINI South telescope a powerful capability for integral field spectroscopy (IFS). An innovative feature of this IFU is the use of monolithic multi-faceted mirror arrays which were fabricated using freeform diamond machining techniques. In this paper, we present a summary of the design, construction and measured performance of the GNIRS IFU. Details of the fabrication process of the optical components are also presented.

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