A UV Prime Focus Spectrograph For The CFHT

O. Boulade; G. Lemaitre; L. Vigroux

doi:10.1117/12.968099

13 October 1986 A UV Prime Focus Spectrograph For The CFHT

O. Boulade, G. Lemaitre, L. Vigroux

Proceedings Volume 0627, Instrumentation in Astronomy VI; (1986) https://doi.org/10.1117/12.968099
Event: 1986 Astronomy Conferences, 1986, Tucson, United States

Abstract

The UV prime spectrograph at the Canada-France-Hawaii Telescope is the first instrument to be designed with an aspherized diffraction grating. This technique leads to all reflective Schmidt designs with a very small amount of optical surface on fast aperture ratio. A thin backside illuminated RCA CCD is now used as the detector. Since the detector is at the focus of an f/1 mounting, within the optical path, a minicryostat (5cmx5cmx3cm) was designed to minimize the central obscuration. This paper describes this new instrument and its performances.

Citation Download Citation

O. Boulade, G. Lemaitre, and L. Vigroux "A UV Prime Focus Spectrograph For The CFHT", Proc. SPIE 0627, Instrumentation in Astronomy VI, (13 October 1986); https://doi.org/10.1117/12.968099

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