Effects of attenuation of 1.064-μm optical waves by humid aerosols and fog over horizontal atmospheric communication links

被引：13

作者：

Bendersky, S

Kopeika, N

Blaunstein, N

机构：

[1] Ben Gurion Univ Negev, Dept Electroopt Engn, IL-84105 Beer Sheva, Israel

[2] Ben Gurion Univ Negev, Dept Commun Syst Engn, IL-84105 Beer Sheva, Israel

来源：

OPTICAL ENGINEERING | 2004年 / 43卷 / 03期

关键词：

humid aerosols; optical wave propagation; fog; Mie scattering;

D O I：

10.1117/1.1646184

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Effects of humid aerosols and fog on optical wave propagation at 1.064 mum over various horizontal atmospheric communication links are investigated both experimentally and theoretically by use of theoretical and empirical models as best fits of experimental data. Mie scattering is used to describe the attenuation of optical waves by aerosols for lower elevation horizontal atmospheric links. The geometrical optics approximation is used to obtain the extinction coefficient for optical waves at 1.064 mum passing through clouds, fog, water droplets, and atmospheric particles with dimensions larger than the wavelength. Good agreement between a new model of propagation effects through such particles, and measurements carried out at two different sites in southern and northen Israel, is obtained. (C) 2004 Society of Photo-Optical Instrumentation Engineers.

引用

页码：539 / 552

页数：14

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