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Listar por autor "Engheta, Nader"

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Listar por autor "Engheta, Nader"

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    Avoiding metallic walls: Use of modal superposition in plasmonic waveguides to reduce propagation loss 
    Rodríguez Fortuño, Francisco José; Engheta, Nader (American Physical Society, 2012-03-16)
    [EN] We theoretically explore the possibility of reducing propagation loss in a metal-insulator-metal (MIM) waveguide, using mode combinations to achieve wall-avoiding field distributions along a certain propagation length. ...
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    Electric Levitation Using ε-Near-Zero Metamaterials 
    Rodríguez Fortuño, Francisco José; Vakil, Ashkan; Engheta, Nader (American Physical Society, 2014-01-22)
    [EN] The ability to manufacture metamaterials with exotic electromagnetic properties has potential for surprising new applications. Here we report how a specific type of metamaterial-one whose permittivity is near zero-exerts ...
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    Lateral forces on circularly polarizable particles near a surface 
    Rodríguez Fortuño, Francisco José; Engheta, Nader; Martínez Abietar, Alejandro José; Zayats, Anatoly V. (Nature Publishing Group, 2015-11)
    Optical forces allow manipulation of small particles and control of nanophotonic structures with light beams. While some techniques rely on structured light to move particles using field intensity gradients, acting locally, ...