Analysis of Inner-Scale Effect on Atmosphere Scintillation for Infrared Laser Beam Propagating on Earth-Space Paths

  • Ruike Yang
  • Xiuhong Sun
  • Zhensen Wu
  • Yue Hao
  • Jian Wu
Article
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Abstract

On Earth-space paths, based on ITU-R C n 2 (h) model, by means of a modification of the Rytov method that incorporates an amplitude spatial frequency filter function under strong fluctuation conditions, considering atmospheric turbulence inner-scale, an expression is developed for the scintillation index of a visible or a near and middle infrared laser beam wave that is valid under moderate to strong irradiance fluctuations. The quantitative analyses of scintillation index are done by this analytic model for laser Gaussian collimated beam wave at visible or near and middle infrared wave band. The results agree with theoretic analysis scintillation. This scintillation model can be converted into a Gaussian beam wave model with finite inner-scale on horizontal sight paths of invariable C n 2.

Key words:

Infrared laser beam propagation atmosphere turbulence inner-scale scintillation index Earth-space paths 
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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • Ruike Yang
    • 1
    • 2
  • Xiuhong Sun
    • 1
  • Zhensen Wu
    • 1
  • Yue Hao
    • 2
  • Jian Wu
    • 3
  1. 1.School of Science
  2. 2.School of Microelectronics, Xidian UniversityXi’an, ShaanxiChina
  3. 3.China Research Institute of Radio wave PropagationBeijingChina

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