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Imaging Fourier Transform Spectrometers for Weather Sounding

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The Imaging Fourier Transform Spectrometer (IFTS) has already been recognized by NASA as a revolutionary enabling technology for space astronomy, but its application in Earth remote sensing has been impeded by the large data rates required to telemeter high spatial/spectral/temporal hyperspectral data. Advanced geostationary sensor systems will combine a number of advanced technology subsystems including compact Fourier transform spectrometers (FTS), under development for the National Polar Orbiting Environmental Satellite System (NPOESS) with, large format focal plane detector arrays (FPAs) and advanced digital signal processors. ITT A/CD and its technology partners Bomem and Rockwell Science Center (RSC) have developed several space-qualified FTS systems (such as the NPOESS Cross-track Infrared Sounder (CrIS)) and risk mitigated major subsystems scalable to imaging systems.

© 2001 Optical Society of America

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