Performance Models As Design Aids For Fourier Transform Spectrometers (FTS) Sensor System Developments

A. Pires; S. Poultney; L. Logan

doi:10.1117/12.934178

16 August 1983 Performance Models As Design Aids For Fourier Transform Spectrometers (FTS) Sensor System Developments

A. Pires, S. Poultney, L. Logan

Proceedings Volume 0364, Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II; (1983) https://doi.org/10.1117/12.934178
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

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.

Citation Download Citation

A. Pires, S. Poultney, and L. Logan "Performance Models As Design Aids For Fourier Transform Spectrometers (FTS) Sensor System Developments", Proc. SPIE 0364, Technologies of Cryogenically Cooled Sensors and Fourier Transform Spectrometers II, (16 August 1983); https://doi.org/10.1117/12.934178

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