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24 December 2002 VIRUS: an ultracheap 1000-object IFU spectrograph
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Abstract
The VIsible Replicable Ultra-cheap Spectrograph (VIRUS) is a multi-spectrograph made up of 64 individually small and simple “spectrographlets”. It represents a new approach to the design of a highly multiplexed spectrograph, offering the science multiplex advantage of ~103 objects per exposure, coupled with the engineering multiplex advantage of ~102 spectrographs making up a whole. We argue that this is a cost-effective approach when compared to traditional spectrograph design, where each instrument is essentially a one-off prototype with heavy expenditure on engineering effort. In this paper we describe the conceptual design of VIRUS and compare its cost to conventional spectrographs.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gary J. Hill and Phillip J. MacQueen "VIRUS: an ultracheap 1000-object IFU spectrograph", Proc. SPIE 4836, Survey and Other Telescope Technologies and Discoveries, (24 December 2002); https://doi.org/10.1117/12.458114
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