Abstract
The propagation properties of a phase-locked conformal focused beam array in a turbulent atmosphere are studied. Average intensity distribution in the receiving plane is deduced analytically based on an extended Huygens–Fresnel principle. The angular spread is chosen as the characteristic parameter of beam array directionality. The influence of turbulence and propagation distance on degrading beam directionality performance is studied numerically. It is also revealed that, compared with the previously widely studied collimated beam array, a phase-locked conformal focused beam array is superior in energy delivering performance within tactical range.
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