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Proceedings Paper

Performance Models As Design Aids For Fourier Transform Spectrometers (FTS) Sensor System Developments
Author(s): A. Pires; S. Poultney; L. Logan
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Paper Abstract

FTS sensor systems have significant potential for a wide range of applications compared to other spectrometric systems. Absolute wavelength calibration, high spectral resolution, high throughput, two-dimensional imaging, and wide spectral range are readily achieved advantages. However, spectral fidelity and radiometric precision have been more difficult to achieve, and even to specify, than with other spectro-radiometers. The difficulty originates partly in the operation mode of the FTS sensor which requires instrument errors to undergo a Fourier Transform prior to presentation in the spectral domain. We have developed and described here an FTS sensor performance model to allow evaluation of the effects of a wide range of instrument errors on the spectrum. Likewise, spectro-radiometric performance requirements can be quantitatively related to specifications for subsystems in the instrument (e.g. the scan mirror drive). We illustrate the use of our performance model through application to a contemporary measurement scenario with particular emphasis on classifying and quantifying FTS unique error sources in spectro-radiometric applications.

Paper Details

Date Published: 16 August 1983
PDF: 9 pages
Proc. SPIE 0364, Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II, (16 August 1983); doi: 10.1117/12.934178
Show Author Affiliations
A. Pires, Perkin-Elmer (United States)
S. Poultney, Perkin-Elmer (United States)
L. Logan, Perkin-Elmer (United States)


Published in SPIE Proceedings Vol. 0364:
Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II
Ronald J. Huppi, Editor(s)

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