Abstract

The influence of the aberrations on the characteristic parameters of a laser beam is analyzed. An analytical treatment is proposed that uses the decomposition of the phase of the beam in terms of the Zernike polynomials. It is shown that the width remains unaffected by the aberrations. Changes in the divergence, the radius of curvature, and the quality factor are analyzed, and some numerical examples are shown.

© 1997 Optical Society of America

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