Snow and Water Imaging Spectrometer (SWIS): optomechanical and system design for a CubeSat-compatible instrument

Holly A. Bender; Pantazis Mouroulis; Christopher D. Smith; Colin H. Smith; Byron E. Van Gorp; Michael L. Eastwood; Johannes Gross

doi:10.1117/12.2190013

1 September 2015 Snow and Water Imaging Spectrometer (SWIS): optomechanical and system design for a CubeSat-compatible instrument

Holly A. Bender, Pantazis Mouroulis, Christopher D. Smith, Colin H. Smith, Byron E. Van Gorp, Michael L. Eastwood, Johannes Gross

Author Affiliations +

Proceedings Volume 9611, Imaging Spectrometry XX; 961103 (2015) https://doi.org/10.1117/12.2190013
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

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.

Citation Download Citation

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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