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Proceedings Paper

Conceptual design of the high-resolution optical spectrograph for the Gemini South Telescope
Author(s): Francisco Diego; David Brooks; Andrew Charalambous; Ian A. Crawford; Paolo D'Arrigo; Mark Dryburgh; Heshmat O. Jamshidi; Alan Stuart Radley; Trevor E. Savidge; David D. Walker
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Paper Abstract

The high resolution optical spectrograph (HROS) for Gemini is currently within its conceptual design phase. The science requirements for this instrument demand spectral resolutions of 50,000 and 120,000 with entrance slits of 0.57 and 0.24 arcsec respectively. Amongst the current large telescope projects, HROS will be the only instrument of its class to be mounted at a Cassegrain station and this will pose considerable technical challenges which are described in this paper: HROS will be a spectrograph with unique characteristics, like prismatic cross-dispersion, immersed echelle grating and active compensation of flexure. HROS is expected to perform better than any other high resolution spectrograph with respect to throughput, resolution and simultaneous spectral coverage.

Paper Details

Date Published: 21 March 1997
PDF: 9 pages
Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); doi: 10.1117/12.268999
Show Author Affiliations
Francisco Diego, Univ. College London (United Kingdom)
David Brooks, Univ. College London (United Kingdom)
Andrew Charalambous, Univ. College London (United Kingdom)
Ian A. Crawford, Univ. College London (United Kingdom)
Paolo D'Arrigo, Univ. College London (United Kingdom)
Mark Dryburgh, Univ. College London (United Kingdom)
Heshmat O. Jamshidi, Univ. College London (United Kingdom)
Alan Stuart Radley, Univ. College London (United Kingdom)
Trevor E. Savidge, Univ. College London (United Kingdom)
David D. Walker, Univ. College London (United Kingdom)


Published in SPIE Proceedings Vol. 2871:
Optical Telescopes of Today and Tomorrow
Arne L. Ardeberg, Editor(s)

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