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Opt Express. 2008 Nov 24;16(24):19807-11.

Finite-energy, accelerating Bessel pulses.

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  • 1CNISM and Department of Physics and Mathematics, University of Insubria, Via Valleggio 11, IT-22100 Como, Italy.


We numerically investigate the possibility to generate freely accelerating or decelerating pulses. In particular it is shown that acceleration along the propagation direction z may be obtained by a purely spatial modulation of an input Gaussian pulse in the form of finite-energy Bessel pulses with a cone angle that varies along the radial coordinate.We discuss simple practical implementations of such accelerating Bessel beams.

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