Detailed Design Considerations For An Advanced Cryogenic Fourier Transform Spectrometer (FTS)

J. P. Dybwad; L. M. Logan

doi:10.1117/12.959327

3 November 1980 Detailed Design Considerations For An Advanced Cryogenic Fourier Transform Spectrometer (FTS)

J. P. Dybwad, L. M. Logan

Proceedings Volume 0245, Cryogenically Cooled Sensor Technology; (1980) https://doi.org/10.1117/12.959327
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

Requirements for limb emission measurements have led to the design of a cryogenic Fourier transform spectrometer which combines a number of features for the first time. The critical design considerations were interferometric fringe visibility and interferogram sampling accuracy. The features include a parallelogram scan mechanism with flex pivots, a beryllium scan carriage with back-to-back cat's-eye mirrors, an optimized scan turnaround profile, a flexure-mounted KBr beamsplitter, and linear phase filtering. The instrument, which is currently under test at Perkin-Elmer Corporation, will serve as a breadboard for future spaceborne atmospheric sensors.

Citation Download Citation

J. P. Dybwad and L. M. Logan "Detailed Design Considerations For An Advanced Cryogenic Fourier Transform Spectrometer (FTS)", Proc. SPIE 0245, Cryogenically Cooled Sensor Technology, (3 November 1980); https://doi.org/10.1117/12.959327

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