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16 June 1997 Imaging LWIR spectrometers for remote sensing applications
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Abstract
The advent of modern focal plane arrays has paved the way for the development of imaging spectrometers for use in remote sensing applications. This paper reviews four imaging spectrometer types: the dispersive spectrometer, the tunable Fabry-Perot filter, the Michelson Fourier Transform Spectrometer (FTS), and the spatially modulated FTS. Moreover, this paper identifies their strengths and weaknesses and considers their application to the LWIR region as defined by the Earth's atmospheric `windows' from 7.5 - 13.5 micrometers . Each instrument type places unique requirements on the performance of the focal plane arrays. The discussion centers on the dynamic range differences and dwell time difference for these instruments.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alfred T. Pritt Jr., P. N. Kupferman, Stephen J. Young, and Robert A. Keller "Imaging LWIR spectrometers for remote sensing applications", Proc. SPIE 3063, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing VIII, (16 June 1997); https://doi.org/10.1117/12.276063
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