Optical design of two spectrographs for the Canada-France-Hawaii telescope

Details Optical design of two spectrographs for the Canada-France-Hawaii telescope Optical design of two spectrographs for the Canada-France-Hawaii telescope

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apopt..31.2291m&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 31, no. 13, May 1, 1992, p. 2291-2300.

Physics

Optics

7

Cassegrain Optics, Design Analysis, Imaging Spectrometers, Spectrographs, Telescopes, Aberration, Astronomical Observatories, Cameras, Collimators

Scientific paper

Optical designs of two new spectrographs for the Canada-France-Hawaii telescope Cassegrain focus are described. Also given is a summary of the design procedure using the Dominion Astrophysical Observatory optical design code OPTESA (optical system optimization by educated simulated annealing). The f/2.8 multiobject spectrograph has a field of view of 10 arcmin, whereas the f/10 subarcsec imaging spectrograph has a field of view of 3 arcmin. They are to be commissioned in 1991.

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