Development of design concepts for the PRISM (process research by an imaging space mission) instrument

Daniel R. Lobb; Umberto Del Bello; Bernd Paul Kunkel; Winfried Posselt; Olivier Saint-Pe

doi:10.1117/12.246674

23 August 1996 Development of design concepts for the PRISM (process research by an imaging space mission) instrument

Daniel R. Lobb, Umberto Del Bello, Bernd Paul Kunkel, Winfried Posselt, Olivier Saint-Pe

Proceedings Volume 2774, Design and Engineering of Optical Systems; (1996) https://doi.org/10.1117/12.246674
Event: Optical Instrumentation and Systems Design, 1996, Glasgow, United Kingdom

Abstract

The PRISM instrument is an imaging radiometer to be flown on a satellite in Earth orbit. The principle mission is to gather Earth radiance data from land areas, at a spatial resolution of approximately 50 m. It will have spectral resolution in the order of 10 nm in the visible to short- wave IR spectral band, and a few discrete spectral bands in the thermal IR. It will typically be operated to record multi-spectral images of selected areas about 50 km square. The field of view of the instrument must be capable of pointing control, in both across-track and along-track directions, to select specific targets in each orbit and to view selected targets in different directions. The instrument is in an early stage of concept development, in competitive studies carried out for the European Space Agency. The paper describes the principle conclusions of the initial study of the team led by Dornier Satellite Systems, with Sira and Matra Marconi Space as principle sub- contractors. Outline designs are presented for: pointing optics, imaging and relay optics, imaging spectrometer, channel separation and in-flight characterization. Brief notes are given on design trade-offs and rationales for baseline selections.

Citation Download Citation

Daniel R. Lobb, Umberto Del Bello, Bernd Paul Kunkel, Winfried Posselt, and Olivier Saint-Pe "Development of design concepts for the PRISM (process research by an imaging space mission) instrument", Proc. SPIE 2774, Design and Engineering of Optical Systems, (23 August 1996); https://doi.org/10.1117/12.246674

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