Space-borne imager of mesospheric gravity waves

Cui Tu; Xiong Hu; Qingchen Xu; Liang Song; Hui Li

doi:10.1117/12.2197894

8 October 2015 Space-borne imager of mesospheric gravity waves

Cui Tu, Xiong Hu, Qingchen Xu, Liang Song, Hui Li

Proceedings Volume 9678, AOPC 2015: Telescope and Space Optical Instrumentation; 96780E (2015) https://doi.org/10.1117/12.2197894
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

Mesospheric gravity waves play important roles in atmospheric circulation and variability. It is meaningful to obtain the features of the mesospheric gravity waves on a global scale, such as the distribution and the sources. However, limited by the field of view, the ground-based instrument can only access some local information. We developed a space-borne imager to observe the global gravity waves by collecting the O2 airglow with TDI (Time Delayed and Integration) method. The function of the imager was testified in our laboratory with a led screen, where the gravity waves were simulated and shown. On a satellite orbit with the altitude of 700 km and inclination of 73 degree, the imager can obtain the gravity waves with horizontal wavelength more than 10 km, even taking the effect induced by the earth rotation into account.

Citation Download Citation

Cui Tu, Xiong Hu, Qingchen Xu, Liang Song, and Hui Li "Space-borne imager of mesospheric gravity waves", Proc. SPIE 9678, AOPC 2015: Telescope and Space Optical Instrumentation, 96780E (8 October 2015); https://doi.org/10.1117/12.2197894

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