Cylindrically polarized X-waves paper of the week!
Journal of Optics elects the paper on cylindrically polarized X-waves, a new class of propagation invariant ultrashort light pulses with radial or azymuthal polarization as Paper of the Week.
Marco Ornigotti, Claudio Conti, and Alexander Szameit extend to the polychromatic domain the light beams with cylindrical polarization, which have widespread applications in microscopy and spectroscopy.
These light pulses represent a fully vectorial solution of Maxwell equations, can be focused at the sub-wavelength scale and may open a number of possibilities for a new generation of imaging devices, and for free space information transmission.
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