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  • Received: Aug. 23, 2013

    Accepted: --

    Posted: Feb. 1, 2014

    Published Online: Jan. 21, 2014

    The Author Email: Liguo Wang (kinglywang3773@163.com)

    DOI: 10.3788/aos201434.0201003

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    Wang Liguo, Wu Zhensen, Wang Mingjun. Numerical Research on Effect of the Size of the Target in Turbulence on the Residual Scintillation Index[J]. Acta Optica Sinica, 2014, 34(2): 201003

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Acta Optica Sinica, Vol. 34, Issue 2, 201003 (2014)

Numerical Research on Effect of the Size of the Target in Turbulence on the Residual Scintillation Index

Liguo Wang1,*, Zhensen Wu1, and Mingjun Wang2

Author Affiliations

  • 1[in Chinese]
  • 2[in Chinese]

Abstract

Expression of the residual scintillation index of a received intensity from a rough target in atmospheric turbulence is derived by using the extended Huygens-Fresnel principle combined with the Rytov method. The formula is numerically evaluated in the cases of spherical wave and plane wave incidences, and the results agree with those obtained by the slip-step Fourier method, which proves the validity of the theory. The relationship between the residual scintillation index with the target size and the propagation distance is analyzed, which proves that the residual scintillation index is the scintillation index on the target plane averaged by the target aperture.

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