Nanospheres made of non‐magnetic materials are shown to present non‐conventional scattering properties similar to those previously reported for somewhat hypothetical magnetodielectric particles. We find a wide window in the near‐infrared, where light scattering by lossless submicrometer semiconductor nanospheres is fully described by their induced electric and magnetic dipoles. The interference between electric and magnetic dipolar fields is shown to lead to anisotropic angular distributions of scattered intensity, including zero backward and almost zero forward scattered intensities at specific wavelengths. Optical forces, arising in the intersection region of two standing waves, lead to a complex force field that can rectify the flow of magnetodielectric particles.


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    Titel :

    Electric and magnetic dipolar response of dielectric nanospheres: Scattering anisotropy and optical forces


    Beteiligte:

    Kongress:

    THE FOURTH INTERNATIONAL WORKSHOP ON THEORETICAL AND COMPUTATIONAL NANOPHOTONICS: TaCoNa‐Photonics 2011 ; 2011 ; Bad Honnef, (Germany)


    Erschienen in:

    AIP Conference Proceedings ; 1398 , 1 ; 30-32


    Erscheinungsdatum :

    03.10.2011


    Format / Umfang :

    3 pages





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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