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Proceedings Paper

The SALT HRS spectrograph: instrument integration and laboratory test results
Author(s): D. G. Bramall; J. Schmoll; L. M. G. Tyas; P. Clark; E. Younger; R. M. Sharples; N. A. Dipper; S. G. Ryan; D. A. H. Buckley; J. Brink
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Paper Abstract

SALT HRS is a fibre-fed, high dispersion échelle spectrograph currently being constructed for the Southern African Large Telescope (SALT). In this paper we highlight the performance of key optical components, describe the integration tasks that have taken place and present some first light results from the laboratory. The instrument construction is well advanced and we report on the attainment of the required mechanical and thermal stability and provide a measurement of the input optics performance (including the fibre feed). The initial optical alignment of both the fibre input optics, including image slicers, and the spectrograph optics has taken place and is described.

Paper Details

Date Published: 24 September 2012
PDF: 9 pages
Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84460A (24 September 2012); doi: 10.1117/12.925935
Show Author Affiliations
D. G. Bramall, Univ. of Durham (United Kingdom)
J. Schmoll, Univ. of Durham (United Kingdom)
L. M. G. Tyas, Univ. of Durham (United Kingdom)
P. Clark, Univ. of Durham (United Kingdom)
E. Younger, Univ. of Durham (United Kingdom)
R. M. Sharples, Univ. of Durham (United Kingdom)
N. A. Dipper, Univ. of Durham (United Kingdom)
S. G. Ryan, Univ. of Hertfordshire (United Kingdom)
D. A. H. Buckley, South African Astronomical Observatory (South Africa)
J. Brink, South African Astronomical Observatory (South Africa)

Published in SPIE Proceedings Vol. 8446:
Ground-based and Airborne Instrumentation for Astronomy IV
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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