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Nano Lett. 2013 Apr 10;13(4):1806-9. doi: 10.1021/nl4005018. Epub 2013 Mar 8.

Demonstration of zero optical backscattering from single nanoparticles.

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Institute of Optics, University of Rochester, Rochester New York 14627, United States.


We present the first experimental demonstration of zero backscattering from nanoparticles at optical frequencies as originally discussed by Kerker et al. [ Kerker , M. ; Wang , D. ; Giles , C. J. Opt. Soc. A 1983 , 73 , 765 ]. GaAs pillars were fabricated on a fused silica substrate and the spectrum of the backscattered radiation was measured in the wavelength range 600-1000 nm. Suppression of backscattering occurred at ~725 nm, agreeing with calculations based on the discrete dipole approximation. Particles with zero backscattering provide new functionality for metamaterials and optical antennas.

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