Diffraction-free and dispersion-free pulsed beam propagation in dispersive media

Details Diffraction-free and dispersion-free pulsed beam propagation in dispersive media Diffraction-free and dispersion-free pulsed beam propagation in dispersive media

2001-04-06

arxiv.org/abs/physics/0104031v1

Physics

Optics

3 pages, 3 figures

Scientific paper

10.1364/OL.26.001364

Pulsed Bessel beams of light propagating in free-space experience diffraction effects that resemble those of anomalous dispersion on pulse propagation. It is then shown that a pulsed Bessel beam in a normally dispersive material can remain diffraction- and dispersion-free due to mutual cancellation of diffraction and group velocity dispersion. The size of the Bessel transversal profile for localized transmission is determined by the dispersive properties of the material at the pulse carrier frequency.

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