Research on Characteristics of Laser Communication Attenuation in Environment of Fog Patches based on Mie Theory 

Hao YU 

School of Physics and Electronics, Henan University, Kaifeng, 475000, China 

Abstract: Laser communication is considered to be a promising technology in long-range communication. A light beam carries information, which facilitates extremely high data rates. In addition, presence of fog patches in propagation channel hampers laser communication as small water droplets scatter propagating. We develop a model of light transmission through fogs of different light transmittance and types using Markov processing simulations. After analysis of hydrometeor scattering characteristics in fog patches, a quantitative result for attenuation of laser energy through scattering process is presented. Laser energy is greatly attenuated caused by high concentration of hydrometeor. 

Keywords: Fog patches; Laser communication; Markov processing; Scatter