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THREE-DIMENSIONAL COHERENT PLASMONIC NANOWIRE ARRAYS FOR ENHANCEMENT OF OPTICAL PROCESSES
THREE-DIMENSIONAL COHERENT PLASMONIC NANOWIRE ARRAYS FOR ENHANCEMENT OF OPTICAL PROCESSES
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机译:用于增强光学过程的三维相干等离子纳诺尔矩阵
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摘要
A plasmonic grating sensor having periodic arrays of vertically aligned plasmonic nanopillars, nanowires, or both with an interparticle pitch ranging from λ/8-2λ, where λ is the incident wavelength of light divided by the effective index of refraction of the sample; a coupled-plasmonic array sensor having vertically aligned periodic arrays of plasmonically coupled nanopillars, nanowires, or both with interparticle gaps sufficient to induce overlap between the plasmonic evanescent fields from neighboring nanoparticles, typically requiring edge-to-edge separations of less than 20 nm; and a plasmo-photonic array sensor having a double-resonant, periodic array of vertically aligned subarrays of 1 to 25 plasmonically coupled nanopillars, nanowires, or both where the subarrays are periodically spaced at a pitch on the order of a wavelength of light.
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