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Opt Express. 2013 Apr 22;21(8):10295-300. doi: 10.1364/OE.21.010295.

Generation of two-dimensional plasmonic bottle beams.

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  • 1School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.


By analogy to the three dimensional optical bottle beam, we introduce the plasmonic bottle beam: a two dimensional surface wave which features a lattice of plasmonic bottles, i.e. alternating regions of bright focii surrounded by low intensities. The two-dimensional bottle beam is created by the interference of a non-diffracting beam, a cosine-Gaussian beam, and a plane wave, thus giving rise to a non-diffracting complex intensity distribution. By controlling the propagation constant of the cosine-Gauss beam, the size and number of plasmonic bottles can be engineered. The two dimensional lattice of hot spots formed by this new plasmonic wave could have applications in plasmonic trapping.

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