The Schmidt-Dyson: a fast space-borne wide-field hyperspectral imager

Robert Lucke; John Fisher

doi:10.1117/12.859471

13 August 2010 The Schmidt-Dyson: a fast space-borne wide-field hyperspectral imager

Robert Lucke, John Fisher

Proceedings Volume 7812, Imaging Spectrometry XV; 78120M (2010) https://doi.org/10.1117/12.859471
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Hyperspectral imaging from space requires a very efficient, low f-number optical system to obtain a 20 - 30 m GSD without ground motion compensation. The combination of a folded Schmidt telescope with a Dyson spectrometer meets these requirements while retaining spectral purity. We present the basic design of an instrument that images at f/1.2 with high resolution: with a 300 mm focal length it has a 4 degree field with 20 m GSD and 40 km ground swath from 600 km altitude. Various capabilities, problems, and design options of the Schmidt-Dyson combination are discussed. Detailed design for a specific application remains to be done.

Citation Download Citation

Robert Lucke and John Fisher "The Schmidt-Dyson: a fast space-borne wide-field hyperspectral imager", Proc. SPIE 7812, Imaging Spectrometry XV, 78120M (13 August 2010); https://doi.org/10.1117/12.859471

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