Abstract
The temporal power spectra of irradiance fluctuations reflect the frequency distribution of temporal statistical property of irradiance fluctuation. In this paper, new analytical expressions of the temporal power spectral models of irradiance fluctuations are developed for optical waves propagating through weak non-Kolmogorov turbulence with horizontal path. They are derived with the general modified atmospheric spectral model, and they consider the finite turbulence inner and outer scales, and have a general spectral power law value in the range of 3 to 4 instead of the standard power law value of 11/3. Numerical calculations are conducted to analyze the influence of non-Kolmogorov weak turbulence on the temporal power spectra of irradiance fluctuations.
| Original language | English |
|---|---|
| Pages (from-to) | 3358-3365 |
| Number of pages | 8 |
| Journal | Optik |
| Volume | 125 |
| Issue number | 13 |
| DOIs | |
| State | Published - Jul 2014 |
Keywords
- Atmospheric optics
- Irradiance fluctuations
- Non-Kolmogorov turbulence
- Temporal power spectrum
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