Effective wind and temperature retrieval from Doppler asymmetric spatial 
heterodyne spectrometer interferograms

Liu, Jilin; Wei, Daikang; Zhu, Yajun; Kaufmann, Martin; Olschewski, Friedhelm; Mantel, Klaus; Xu, Jiyao; Riese, Martin

doi:10.1364/AO.57.008829

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Effective wind and temperature retrieval from Doppler asymmetric spatial heterodyne spectrometer interferograms

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Mantel, Klaus
Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Liu, J., Wei, D., Zhu, Y., Kaufmann, M., Olschewski, F., Mantel, K., et al. (2018). Effective wind and temperature retrieval from Doppler asymmetric spatial heterodyne spectrometer interferograms. APPLIED OPTICS, 57(30), 8829-8835. doi:10.1364/AO.57.008829.

Cite as: https://hdl.handle.net/21.11116/0000-0003-AC72-B

Abstract

This paper presents a method for wind velocity and Doppler temperature retrieval from interferograms of a Doppler asymmetric spatial heterodyne spectrometer. This method is based on the analytic representation of the signal and the subsequent algorithms. It turns out to be more robust than the conventional Fourier transform method at low SNR. The influence of optical dispersion on the accuracy of the retrieved parameters is also characterized. The effective optical path difference is suggested for use in wind and temperature retrieval routines. Computer simulations are used to characterize the accuracy of the proposed method, in particular regarding the influence of optical dispersion. (C) 2018 Optical Society of America