Tight focusing properties of spirally polarized LG (1,1)* beam with High NA Parabolic mirror
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DOI: 10.1007/s11082-018-1320-8
Abstract: The tight focusing of double ring shaped spirally polarized beam with high NAÂ Parabolic mirror system is analyzed numerically based on the vector diffraction theory. Calculation results show that intensity distribution in focal region can be… read more here.
Keywords: polarized beam; spirally polarized; beam high; beam ... See more keywords
The directional excitation of surface plasmon polaritons by radially polarized beam with multiple off-axis vortices
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DOI: 10.1016/j.optcom.2019.03.050
Abstract: Abstract A method of directional excitation of surface plasmon polaritons (SPPs) is proposed by using radially polarized beam loaded with multiple off-axis vortices. Based on the Kretschmann–Raether three-layer structure, the theory expression for the distribution… read more here.
Keywords: spps; multiple axis; polarized beam; axis vortices ... See more keywords
Enhancing plasmonic trapping with a perfect radially polarized beam
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DOI: 10.1364/prj.6.000847
Abstract: Strong plasmonic focal spots, excited by radially polarized light on a smooth thin metallic film, have been widely applied to trap various micro- and nano-sized objects. However, the direct transmission part of the incident light… read more here.
Keywords: polarized beam; radially polarized; plasmonic trapping; enhancing plasmonic ... See more keywords