Transmission of optical signal in the plasma sheath of reentry vehicle

Hang Ji; Yong Ma; Chao Ma; Lin Jing; Hongyuan Wang

doi:10.1117/12.775206

10 November 2007 Transmission of optical signal in the plasma sheath of reentry vehicle

Hang Ji, Yong Ma, Chao Ma, Lin Jing, Hongyuan Wang

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67955E (2007) https://doi.org/10.1117/12.775206
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

To eliminate the communications blackout phenomenon of reentry vehicle during reentry, characters of the communications channel of plasma sheath is studied. And based on the electron density and temperature of the sheath, the transmission model of optical signal in plasma sheath is formed. Making use of the light transmission model in plasma sheath to do simulation and calculation, the refraction and attenuation state can be got. It illustrates that the influence of sheath to the transmission of optical signal is limited, and demonstrates the theoretical feasibility of light communications in reentry communications.

Citation Download Citation

Hang Ji, Yong Ma, Chao Ma, Lin Jing, and Hongyuan Wang "Transmission of optical signal in the plasma sheath of reentry vehicle", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67955E (10 November 2007); https://doi.org/10.1117/12.775206

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