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physics.optics2016★ 21 cited
Adding a spin to Kerker's condition: arbitrary scattering direction tuning of nano-antennas with designed excitation
Lei Wei, Nandini Bhattacharya, H. Paul Urbach
We describe a method to control the directional scattering of a high index dielectric nanosphere, which utilizes the unique focusing properties of an azimuthally polarized phase vo…
physics.optics2016★ 151 cited
Excitation of radiationless anapole mode of isotropic dielectric nanoparticles with tightly focused radially polarized beam
Lei Wei, Zheng Xi, Nandini Bhattacharya +1
A high index dielectric nano-sphere can be excited and yet remain radiationless. A method to excite the non-radiating anapole mode of a high index isotropic dielectric nanosphere i…