Dynamic plasmonic beam shaping by vector beams with arbitrary locally linear polarization states | Zendy

Zhongsheng Man | Zendy; Luping Du | Zendy; Changjun Min | Zendy; Yuquan Zhang | Zendy; Chonglei Zhang | Zendy; Siwei Zhu | Zendy; H. P. Urbach | Zendy; Xiaocong Yuan | Zendy

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Dynamic plasmonic beam shaping by vector beams with arbitrary locally linear polarization states

Author(s) -

Zhongsheng Man,

Luping Du,

Changjun Min,

Yuquan Zhang,

Chonglei Zhang,

Siwei Zhu,

H. P. Urbach,

Xiaocong Yuan

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4887824

Subject(s) - polarization (electrochemistry) , physics , plasmon , optics , excitation , linear polarization , radial polarization , beam (structure) , scalar (mathematics) , excited state , laser beam quality , laser beams , atomic physics , chemistry , laser , geometry , mathematics , quantum mechanics

Vector beams, which have space-variant state of polarization (SOP) comparing with scalar beams with spatially homogeneous SOP, are used to manipulate surface plasmon polarizations (SPPs). We find that the excitation, orientation, and distribution of the focused SPPs excited in a high numerical aperture microscopic configuration highly depend on the space-variant polarization of the incident vector beam. When it comes to vector beam with axial symmetry, multi-foci of SPPs with the same size and uniform intensity can be obtained, and the number of foci is depending on the polarization order n. Those properties can be of great value in biological sensor and plasmonic tweezers applications.ImPhys/Imaging PhysicsApplied Science

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