Articles | Volume 14, issue 9
https://doi.org/10.5194/amt-14-6213-2021
https://doi.org/10.5194/amt-14-6213-2021
Research article
 | 
28 Sep 2021
Research article |  | 28 Sep 2021

A compact static birefringent interferometer for the measurement of upper atmospheric winds: concept, design and lab performance

Tingyu Yan, Jeffery A. Langille, William E. Ward, William A. Gault, Alan Scott, Andrew Bell, Driss Touahiri, Sheng-Hai Zheng, and Chunmin Zhang

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Subject: Others (Wind, Precipitation, Temperature, etc.) | Technique: Remote Sensing | Topic: Instruments and Platforms
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Cited articles

Anderson, C., Conde, M., and McHarg, M.: Neutral thermospheric dynamics observed with two scanning Doppler imagers: 1. Monostatic and bistatic winds, J. Geophys. Res.-Space, 117, A03304, https://doi.org/10.1029/2011JA017041,​​​​​​​ 2012. 
Aruliah, A. L., Griffin, E. M., Yiu, H.-C. I., McWhirter, I., and Charalambous, A.: SCANDI – an all-sky Doppler imager for studies of thermospheric spatial structure, Ann. Geophys., 28, 549–567, https://doi.org/10.5194/angeo-28-549-2010, 2010. 
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Englert, C. R., Babcock, D. D., and Harlander, J. M.: Doppler asymmetric spatial heterodyne spectroscopy (DASH): concept and experimental demonstration, Appl. Optics, 46, 7297–7307, 2007. 
Englert, C. R., Harlander, J. M., Brown, C. M., Marr, K. D., Miller, I. J., Stump, J. E., Hancock, J., Peterson, J. Q., Kumler, J., Morrow, W. H., Mooney, T. A., Ellis, S., Mende, S. B., Harris, S. E., Stevens, M. H., Makela, J. J., Harding, B. J., and Immel, T. J.: Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI): Instrument Design and Calibration, Space Science Reviews, 212, 553–584, https://doi.org/10.1007/s11214-017-0358-4, 2017. 
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Short summary
High-resolution interferometers are routinely used to measure upper atmospheric motions by measuring small Doppler shifts in spectrally isolated airglow emissions. The birefringent interferometer presented in this paper has similar capabilities as several existing state-of-the-art instruments but is smaller and less complex to construct and operate. This paper presents the measurement technique and characterization of a lab prototype and examines the performance of the instrument.