Modeling and measurements of near-ground atmospheric optical turbulence according to weather for Middle East environments

Sergey Bendersky; E. Lilos; Norman S. Kopeika; Natan Blaunstein

doi:10.1117/12.578192

6 December 2004 Modeling and measurements of near-ground atmospheric optical turbulence according to weather for Middle East environments

Sergey Bendersky, E. Lilos, Norman S. Kopeika, Natan Blaunstein

Author Affiliations +

Proceedings Volume 5612, Electro-Optical and Infrared Systems: Technology and Applications; (2004) https://doi.org/10.1117/12.578192
Event: European Symposium on Optics and Photonics for Defence and Security, 2004, London, United Kingdom

Abstract

Refractive index structure parameter, C²_n, which characterizes turbulence caused by local gradients of microscale meteorological parameters and by variations of macrometeorological features of the atmosphere such as air temperature, wind speed and direction, relative humidity, etc., is examined theoretically and experimentally for near ground Middle East environments. In our theoretical analysis, we present several known models for over-land atmospheric optical communication or imaging channels to predict the turbulence intensity (represented by C²_n). Via comparison with our two-year continuous experiments carried out in Israel we show their limitations for both day- and nighttime turbulent atmospheres under different meteorological conditions. An extension of an existing "practical" model, applicable for two summer and winter seasons, is presented in this work which, as is shown experimentally, can be a good predictor of C²_n for optical atmospheric paths in Middle East climates.

Citation Download Citation

Sergey Bendersky, E. Lilos, Norman S. Kopeika, and Natan Blaunstein "Modeling and measurements of near-ground atmospheric optical turbulence according to weather for Middle East environments", Proc. SPIE 5612, Electro-Optical and Infrared Systems: Technology and Applications, (6 December 2004); https://doi.org/10.1117/12.578192

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