Focal and optical trapping behaviors of radially polarized vortex beam with broken axial symmetry

Focal and optical trapping behaviors of radially polarized vortex beam with broken axial symmetry

We explore a radially polarized vortex beam with broken axial symmetry under tight focusing conditions. The beam’s three mutually orthogonal polarization components (radial, azimuthal, and longitudinal) are all rotated by an angle of π/2 with respect to the input field in the focal plane. We validat...

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Veröffentlicht in:AIP advances 2017-06, Vol.7 (6), p.065109-065109-6
Hauptverfasser: Man, Zhongsheng, Du, Luping, Zhang, Yuquan, Min, Changjun, Fu, Shenggui, Yuan, Xiaocong
Format: Artikel
Sprache:eng
Schlagworte:
Electron beams
Focal plane
Nanoparticles
Optical trapping
Symmetry
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Zusammenfassung:We explore a radially polarized vortex beam with broken axial symmetry under tight focusing conditions. The beam’s three mutually orthogonal polarization components (radial, azimuthal, and longitudinal) are all rotated by an angle of π/2 with respect to the input field in the focal plane. We validate this effect experimentally. Finally, we prove that this effect can be used to transport nanoparticles.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.4984813