Scintillation index of optical wave propagating in turbulent atmosphere |
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Authors: | Rao Rui-Zhong |
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Institution: | Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031 , China |
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Abstract: | A concise expression of the scintillation index is proposed for a
plane optical wave and a spherical optical wave both propagating in
a turbulent atmosphere with a zero inner scale and a finite inner
scale under an arbitrary fluctuation condition. The expression is
based on both the results in the Rytov approximation under a weak
fluctuation condition and the numerical results in a strong
fluctuation regime. The maximum value of the scintillation index and
its corresponding Rytov index are evaluated. These quantities are
affected by the ratio of the turbulence inner scale to the Fresnel
size. |
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Keywords: | atmospheric optics scintillation atmospheric turbulence |
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