Plane Wave Pulse Propagation through Atmospheric Turbulence at mm and Optical Wavelengths.

摘要

Starting from the parabolic equation for a wave propagating in a random medium,the equation for the general mutual coherence function is derived,and a solution is obtained for the same using a perturbation technique,assuming the Kolmogorov spectrum for the fluctuations of the refractive index. It is shown that the solution so obtained is exact when the coherence function is evaluated at a single point and at the same time,but at two different frequencies. Using this exact solution for the two frequency correlation function,the propagation characteristics of a plane wave Gaussian and rectangular pulses are studied at mm and optical wavelengths. (Modified author abstract)