FSO and radio link attenuation: meteorological models verified by experiment

Vladimir Brazda; Ondrej Fiser; Jaroslav Svoboda

doi:10.1117/12.893819

14 September 2011 FSO and radio link attenuation: meteorological models verified by experiment

Vladimir Brazda, Ondrej Fiser, Jaroslav Svoboda

Proceedings Volume 8162, Free-Space and Atmospheric Laser Communications XI; 81620N (2011) https://doi.org/10.1117/12.893819
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Institute of Atmospheric Physics of Czech Academy measures atmospheric attenuation on 60 m experimental FSO link on 830 and 1550 nm for more than three years. Visibility sensors and two 3D sonic anemometers on both transmitting and receiving site, rain gauge and many sensors enabling the refractivity index computation are spaced along the optical link. Meteorological visibility, wind turbulent energy, sonic temperature, structure index and rain rate are correlated with measured attenuation. FSO link attenuation dependence on the above mentioned parameters is analyzed. The paper shows also basic statistical behavior of the long-term FSO signal level and also the simulation of hybrid link techniques.

Citation Download Citation

Vladimir Brazda, Ondrej Fiser, and Jaroslav Svoboda "FSO and radio link attenuation: meteorological models verified by experiment", Proc. SPIE 8162, Free-Space and Atmospheric Laser Communications XI, 81620N (14 September 2011); https://doi.org/10.1117/12.893819

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