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This paper presents investigation of plasmonic properties of coupled metal nanowires arranged to form a finite linear chain. Coupled plasmon resonances of such structures embedded into dielectrics with different dielectric permittivity are studied. The main goals of the paper are to validate true potential of a plasmon nanowire-based structure in sensing applications and to reveal optimized configurations...
Theoretical study of the eigenfrequencies of coupled plasmons in cylindrical plasma columns is presented. Plasmonic modes of linear chain of coupled plasma cylinders and cluster of square configuration is investigated. Mechanism of the plasmonic mode coupling that can be considered as bonding and antibonding combinations of isolated cylinder plasmons is studied. Accurate analysis of the spectrum of...
We theoretically study the resonant properties of an aggregate of coupled cylinders filled with negative permittivity plasma. Such a problem has applications in optical and plasma antennas, intelligent antenna systems, and pulse-driven antenna arrays. Chain of columns of plasma can be used in the design of both transmitting and receiving antennas with a very broad frequency range and tunability that...
In the present contribution we propose and analyze a specific design cavity plasmon waveguide, consisting of spheroidal silicon nanoparticles in gold, which ensures single-mode operation at visible frequencies and can be realized in the laboratory using modern nanofabrication techniques. The plasmon modes of the cavities correspond to complex eigenfrequencies because of absorptive losses in the metallic...
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