Scintillation index of optical wave propagating in turbulent atmosphere |
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| Authors: | Rao Rui-Zhong |
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| Affiliation: | 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 aplane optical wave and a spherical optical wave both propagating ina turbulent atmosphere with a zero inner scale and a finite innerscale under an arbitrary fluctuation condition. The expression isbased on both the results in the Rytov approximation under a weakfluctuation condition and the numerical results in a strongfluctuation regime. The maximum value of the scintillation index andits corresponding Rytov index are evaluated. These quantities areaffected by the ratio of the turbulence inner scale to the Fresnelsize. |
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| Keywords: | atmospheric optics scintillation atmospheric turbulence |
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