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Subcycle Pulsed Focused Vector Beams
Physical Review Letters, 2006An accurate description of a subcycle pulsed beam (SCPB) is presented based on the complex-source model. The fields are exact solutions of Maxwell's equations and applicable to a focused pulsed beam with a pulse duration down to and below one cycle of the carrier wave and with arbitrary polarization state.
Qiang, Lin, Jian, Zheng, Wilhelm, Becker
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Vector Helmholtz–Gauss and vector Laplace–Gauss beams
Optics Letters, 2005We demonstrate the existence of vector Helmholtz-Gauss (vHzG) and vector Laplace-Gauss beams that constitute two general families of localized vector beam solutions of the Maxwell equations in the paraxial approximation. The electromagnetic components are determined starting from the scalar solutions of the two-dimensional Helmholtz and Laplace ...
Miguel A, Bandres +1 more
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SPIE Proceedings, 2011
We experimentally demonstrate the generation of a class of spatially variant polarization beams called hybrid vector beams. Hybrid vector beams have cylindrically symmetric amplitude and a spatially varying degree of polarization ellipticity in their transverse profile about the beam axes, varying from linear to elliptical to circular every 45 ...
Giovanni Milione +2 more
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We experimentally demonstrate the generation of a class of spatially variant polarization beams called hybrid vector beams. Hybrid vector beams have cylindrically symmetric amplitude and a spatially varying degree of polarization ellipticity in their transverse profile about the beam axes, varying from linear to elliptical to circular every 45 ...
Giovanni Milione +2 more
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Cylindrical vector beam-splitters
Frontiers in Optics 2011/Laser Science XXVII, 2011We show that radial and azimuthal polarizations can be separated with a circular sub-wavelength grating. The proposed grating-based beam-splitter can be used to generate cylindrical vector beams from circularly polarized light.
J. Lin, P. Genevet, F. Capasso
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Coherent beam combining of cylindrical vector beams for power scaling
Optics Letters, 2023Coherent beam combining (CBC) of cylindrical vector beams (CVBs) based on an active phase controller is proposed and demonstrated. Experimentally, two pieces of spatially variant wave plates (S-wave plate) were employed as vector mode convertors for two individual 1064-nm fiber amplifier channels. When the system was in a closed loop, a combined output
Shixin, Liu +12 more
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Dark-spot formation by vector beams
Optics Letters, 2008Dark-spot formation is demonstrated by calculating electric-field distribution near the focus produced by focusing higher-order transverse-mode vector beams with radial and azimuthal polarizations in addition to Laguerre-Gaussian beams with linear and circular polarizations.
Yuichi, Kozawa, Shunichi, Sato
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Time behavior of focused vector beams
Journal of the Optical Society of America A, 2016We elucidate the pecularities of time behavior of focused vector optical fields. In particular, for linear or radial incident polarizations, we demonstrate explicitly the π/2 phase delay between transverse and longitudinal components of the field generated at the focus, i.e., their appearance and reaching the peak at different instances of the optical ...
Svetlana N, Khonina, Ilya, Golub
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Efficient generation of vector beams
Laser Beam Shaping XX, 2020A variety of methods have been developed in the last years to generate vector beams. In this work we will present some techniques that we have developed for the efficient and compact generation of arbitrary polarized vector beams. They are based on the use of geometric-phase elements combined with liquid-crystal on silicon (LCOS) spatial-light ...
Ignacio Moreno Soriano +7 more
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Generating and measuring non-diffracting vector Bessel beams
SPIE Proceedings, 2013Nondiffracting vector Bessel beams are of considerable interest due to their nondiffracting nature and unique high-numerical-aperture focusing properties. Here we demonstrate their creation by a simple procedure requiring only a spatial light modulator and an azimuthally varying birefringent plate, known as a q-plate.
Angela, Dudley +4 more
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Non-diffractive Vector Bessel Beams
Journal of Modern Optics, 1995Abstract The non-diffractive vector Bessel beams of an arbitrary order are examined as both the solution to the vector Helmholtz wave equation and the superposition of vector components of the angular spectrum. The transverse and longitudinal intensity components of the vector Bessel beams are analysed for the radial, azimuthal, circular and linear ...
Zdeněk Bouchal, Marek Olivík
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