Szumski, R;
Walker, DD;
(1999)
The immersed echelle - I. Basic properties.
Monthly Notices of the Royal Astronomical Society
, 302
(1)
139 - 144.
10.1046/j.1365-8711.1999.02107.x.
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Abstract
High-resolution spectrographs for very large telescopes lead to new challenges in grating technology to achieve optimum matching of the slit width to the seeing disc. This has led elsewhere to the development of long echelles of high blaze angle produced by mosaicking technology. An alternative approach, pursued in this paper and adopted for the Gemini High-Resolution Optical Spectrograph, is to immerse a monolithic echelle in a medium of refractive index greater than unity. This paper explores the consequences of this. It will be followed by Paper II, which will report on a major technology development programme in progress.
| Type: | Article |
|---|---|
| Title: | The immersed echelle - I. Basic properties |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1046/j.1365-8711.1999.02107.x |
| Publisher version: | http://dx.doi.org/10.1046/j.1365-8711.1999.02107.x |
| Language: | English |
| Additional information: | © 1999 RAS Definitive versions of articles pre-2013 are available at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-2966, now published by http://mnras.oxfordjournals.org |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/22672 |
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