Design constraints on advanced two-dimensional LWIR focal planes for imaging Fourier transform spectrometer sensors

Lee W. Schumann; Terrence S. Lomheim; Jerris F. Johnson

doi:10.1117/12.276064

16 June 1997 Design constraints on advanced two-dimensional LWIR focal planes for imaging Fourier transform spectrometer sensors

Lee W. Schumann, Terrence S. Lomheim, Jerris F. Johnson

Author Affiliations +

Proceedings Volume 3063, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing VIII; (1997) https://doi.org/10.1117/12.276064
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

A variety of design constraints, imposed on the 2D hybrid staring infrared focal plane arrays used in emissive longwave imaging Fourier-transform spectrometers (FTSs), are developed and discussed. In particular, the origin of the large dynamic range and fast frame rate requirements for the focal plane are explained. The analysis is based on signal- to-noise ratio models for the interferogram (i.e., at the focal plane) and the associated spectrum. Specific focal plane design constraints associated with an optimized imaging FTS instrument design are illustrated, based on an aircraft-based remote sensing application.

Citation Download Citation

Lee W. Schumann, Terrence S. Lomheim, and Jerris F. Johnson "Design constraints on advanced two-dimensional LWIR focal planes for imaging Fourier transform spectrometer sensors", Proc. SPIE 3063, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing VIII, (16 June 1997); https://doi.org/10.1117/12.276064

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