نتایج جستجو برای: nanodisk
تعداد نتایج: 233 فیلتر نتایج به سال:
Localization of large electric fields in plasmonic nanostructures enables various processes such as single-molecule detection, higher harmonic light generation, and control of molecular fluorescence and absorption. High-throughput, simple nanofabrication techniques are essential for implementing plasmonic nanostructures with large electric fields for practical applications. In this article we d...
We report the observation of energy transfer from a gold (Au) nanodisk pair to a silver (Ag) nanowire across a 120 nm gap via surface plasmon resonance (SPR) excitation. The enhanced electromagnetic (EM) fields generated by Au SPR excitation induce oscillation of the conduction electrons in the Ag segment, transferring energy to it even though the Ag segment has only weak resonant interactions ...
We numerically investigate the coupling effects of surface plasmon polaritons (SPPs) and magnetic dipole (MD) resonances in metamaterials, which are composed of an Ag nanodisk array and a SiO2 spacer on an Ag substrate. The periodicity of the Ag nanodisk array leads to the excitation of SPPs at the surface of the Ag substrate. The near-field plasmon interactions between individual Ag nanodisks ...
Abstract Symmetry-protected bound states in the continuum (SP-BICs) are one of most intensively studied BICs. Typically, SP-BICs must be converted into quasi-BICs (QBICs) by breaking unit cell’s symmetry so that they can accessed external excitation. The symmetry-broken usually results a varied resonance wavelength QBICs which also highly sensitive to asymmetry parameters. In this work, we demo...
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