Wednesday, September 09, 2015

Efficient subwavelength focusing of light with a long focal depth

Nanoscale, 2015, Accepted Manuscript
DOI: 10.1039/C5NR04133C, Paper
He Huang, Qing Li, Jian Fu, James Wu, Feng Lin, Xingkun Wu
We demonstrate an efficient method for far-field subwavelength focusing by a novel two-component axicon structure. Annular beams generated by a fiber axicon are focused using a micro-cone reflector, creating a...
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