New Millennium EO-1 Advanced Land Imager

Constantine J. Digenis; Donald E. Lencioni; William E. Bicknell

doi:10.1117/12.325668

3 October 1998 New Millennium EO-1 Advanced Land Imager

Constantine J. Digenis, Donald E. Lencioni, William E. Bicknell

Proceedings Volume 3439, Earth Observing Systems III; (1998) https://doi.org/10.1117/12.325668
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The primary instrument of the first Earth Orbiter satellite (EO-1) under NASA's New Millennium Program will be an Advanced Land Imager (ALI), with multispectral and imaging spectrometer capabilities. The principal motivation for this mission is to flight-validate advanced technologies which are relevant to the next-generation of Earth Science Systems Program Office science needs. The ALI telescope is a reflective triplet design employing silicon carbide mirrors with a 15 degree cross-track field of view. There are three imaging technologies in the ALI. The first is a multispectral panchromatic array with 10 spectral bands in the visible and near IR and short wave IR. The two additional imaging technologies are the Wedge Imaging Spectrometer (WIS) and the Grating Imaging Spectrometer (GIS) that each provides a continuous range of wavelength selections from 0.4 to 2.5 micrometers . Elements of the WIS and GIS were developed but due to budgetary and schedule constraints, and some performance issues, were not included in the flight assembly. The paper will present details of the ALI design and status.

Citation Download Citation

Constantine J. Digenis, Donald E. Lencioni, and William E. Bicknell "New Millennium EO-1 Advanced Land Imager", Proc. SPIE 3439, Earth Observing Systems III, (3 October 1998); https://doi.org/10.1117/12.325668

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