Scintillation index of optical wave propagating in turbulent atmosphere

doi:10.1088/1674-1056/18/2/032

中国物理B ›› 2009, Vol. 18 ›› Issue (2): 581-587.doi: 10.1088/1674-1056/18/2/032

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

Scintillation index of optical wave propagating in turbulent atmosphere

饶瑞中

Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031 , China

收稿日期:2007-11-12 修回日期:2008-06-19 出版日期:2009-02-20 发布日期:2009-02-20

Scintillation index of optical wave propagating in turbulent atmosphere

Rao Rui-Zhong(饶瑞中)^†

Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031 , China

Received:2007-11-12 Revised:2008-06-19 Online:2009-02-20 Published:2009-02-20

摘要/Abstract

摘要： 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.

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.

Key words: atmospheric optics, scintillation, atmospheric turbulence

中图分类号: (Atmospheric turbulence effects)

42.68.Bz

92.60.hk (Convection, turbulence, and diffusion) 42.25.Bs (Wave propagation, transmission and absorption)

饶瑞中. Scintillation index of optical wave propagating in turbulent atmosphere[J]. 中国物理B, 2009, 18(2): 581-587.

Rao Rui-Zhong(饶瑞中). Scintillation index of optical wave propagating in turbulent atmosphere[J]. Chin. Phys. B, 2009, 18(2): 581-587.

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Scintillation index of optical wave propagating in turbulent atmosphere

Scintillation index of optical wave propagating in turbulent atmosphere

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