Ground-based high resolution Fourier transform spectrometer and its application in Beijing

Dongdong Fan

doi:10.1117/12.2029014

17 October 2013 Ground-based high resolution Fourier transform spectrometer and its application in Beijing

Dongdong Fan

Proceedings Volume 8890, Remote Sensing of Clouds and the Atmosphere XVIII; and Optics in Atmospheric Propagation and Adaptive Systems XVI; 88900Q (2013) https://doi.org/10.1117/12.2029014
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

The B3M-FTS instrument, inherited from ACE-FTS and PARIS, is built by Canadian ABB and Beijing Vision Sky Aerospace Co., Ltd. The B3M is a complete stand-alone spectrometer designed to operate from the ground in moderate environment. It can acquire atmospheric spectra with the Sun as back illumination. This instrument is an adapted version of the classical Michelson interferometer using an optimized optical layout, and it is a high-resolution infrared Fourier transform spectrometer operating in the 750 to 4100cm^-1spectral range. In this paper, the instrument concept of a compact, portable, high-resolution Fourier transform spectrometer is introduced. Some test results of the instrument such as ILS and SNR are presented, and the spectral resolution of 0.028cm^-1 @ 750cm^-1 and SNR over 100:1 are achieved. Sample atmospheric absorption spectra and corresponding retrieval results measured by the FTS are given. The B3M-FTS, with its high performance, provides the capability to monitor the atmospheric composition changes by measuring the atmospheric absorption spectra of solar radiance. Lots of measurements have been acquired at the Olympics atmospheric observation super-station. Up to now, the VMRs of near 10 trace gases have been retrieved. The success of atmospheric composition profile retrieval using the FTS measurements makes the further application of FTS type payload possible in China.

Citation Download Citation

Dongdong Fan "Ground-based high resolution Fourier transform spectrometer and its application in Beijing", Proc. SPIE 8890, Remote Sensing of Clouds and the Atmosphere XVIII; and Optics in Atmospheric Propagation and Adaptive Systems XVI, 88900Q (17 October 2013); https://doi.org/10.1117/12.2029014

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KEYWORDS

Signal to noise ratio

Fourier transforms

Interferometers

Sensors

Spectroscopy

Absorption

Mirrors

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