Abstract
Based on the vectorial Rayleigh diffraction integral, the nonparaxial propagation of vectorial Gaussian beams diffracted at a circular aperture is studied. The far-field and paraxial cases are treated as special cases of our general result. It is shown that for the apertured case the parameter still plays an important role in determining the nonparaxiality of vectorial diffracted Gaussian beams, but both the parameter and truncation affect the beam evolution behavior.
© 2003 Optical Society of America
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