Design concept for a Landsat-class imaging spectrometer with well-corrected spectral fidelity

Thomas G. Chrien; Lacy G. Cook

doi:10.1117/12.511196

3 November 2003 Design concept for a Landsat-class imaging spectrometer with well-corrected spectral fidelity

Thomas G. Chrien, Lacy G. Cook

Proceedings Volume 5157, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research V; (2003) https://doi.org/10.1117/12.511196
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

This paper describes a design concept for a Landsat-class imaging spectrometer. The challenge is to match the Landsat data parameters, including a 185 kilometer swath and a 30 meter ground sample distance (GSD) from a 705 km sun-synchronous orbit with a sensor which has contiguous spectral coverage of the solar reflected spectrum (400 to 2500 nanometers). The result is a dual purpose remote sensing satellite that provides global access imaging spectrometer data sets as well as fulfilling the needs of the Landsat Data Continuity Mission. Key features of the design include (1) high signal-to-noise ratio, (2) well corrected spectral fidelity across a 6000 pixel pushbroom field-of-view, (3) real-time simulation of Thematic Mapper bands 1-5, and 7 for direct continuous downlink and (4) straightforward calibration of the data to units of absolute spectral radiance.

Citation Download Citation

Thomas G. Chrien and Lacy G. Cook "Design concept for a Landsat-class imaging spectrometer with well-corrected spectral fidelity", Proc. SPIE 5157, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research V, (3 November 2003); https://doi.org/10.1117/12.511196

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