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1 September 2015 Snow and Water Imaging Spectrometer (SWIS): optomechanical and system design for a CubeSat-compatible instrument
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Abstract
The Snow and Water Imaging Spectrometer (SWIS) is a fast, high-uniformity, low-polarization sensitivity imaging spectrometer and telescope system designed for integration on a 6U CubeSat platform. Operating in the 350-1700 nm spectral region with 5.7 nm sampling, SWIS is capable of simultaneously addressing the demanding needs of coastal ocean science and snow/ice monitoring. We discuss progress in the SWIS optomechanical design, thermal analysis, and mission plan. We also describe an innovative single drive on-board calibration system capable of addressing the stringent radiometric stability and knowledge these missions require. The spectrometer features a new Teledyne CHROMA array, optimized for high temperature operation, with a linear variable anti-reflection coating to enhance quantum efficiency and minimize backscatter.
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Holly A. Bender, Pantazis Mouroulis, Christopher D. Smith, Colin H. Smith, Byron E. Van Gorp, Michael L. Eastwood, and Johannes Gross "Snow and Water Imaging Spectrometer (SWIS): optomechanical and system design for a CubeSat-compatible instrument", Proc. SPIE 9611, Imaging Spectrometry XX, 961103 (1 September 2015); https://doi.org/10.1117/12.2190013
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