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Vector beams are light beams with spatially variant polarization [1]. During the last decade vector beams have become an indispensable tool in many areas of science and technology such as optical trapping, quantum memories, and quantum optics. In particular, radially and azimuthally polarized light beams are the paradigm of vector beams. Radial vector beams are especially interesting due to the non-vanishing...
We demonstrate theoretically and experimentally the relevance of the transversal coherence length in high-order harmonic generation (HHG). We present results in which transversal phase matching plays the leading role in the macroscopic HHG.
The spatio-temporal characterization of the electric field of an ultrashort laser pulse after passing through a diffractive optical element has been done. The expressions derived for the total diffraction field in the time and spectral domain are validated using spatially resolved spectral interferometry assisted by an optical fiber coupler (STARFISH).
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