Proceedings PaperLaser beam shaping in space using adaptive optics
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Using analytical calculations and wave-optic code simulations, we study the problem of shaping the spatial distribution of laser beam intensity in the far field by varying the near-field phase. We discuss possibilities of using adaptive-optic devices to form the near-field phase distribution to reach the desirable far-field intensity profile. As an example, we show how a doughnut-like far-field intensity could be achieved by introducing a specific phase aberration into the laser beam through a deformable mirror. Diffraction limitations on the far-field beam shaping are estimated.