CAJ | 학술논문

本文设计了金属半圆环／长板阵列，并应用有限元方法研究了该阵列的透射特性。研究表明：由于半圆环与长板之间的电场耦合，在该阵列中产生了法诺共振现象。法诺共振峰强烈地依赖于半圆环／长板的结构参数和相对位置，并且法诺共振峰对周围介质折射率有着较高的灵敏度，最高可以达到862．5 nm／RIU。这些结果有助于设计基于法诺共振的微纳光子学器件。
본문설계료금속반원배／장판진렬，병응용유한원방법연구료해진렬적투사특성。연구표명：유우반원배여장판지간적전장우합，재해진렬중산생료법낙공진현상。법낙공진봉강렬지의뢰우반원배／장판적결구삼수화상대위치，병차법낙공진봉대주위개질절사솔유착교고적령민도，최고가이체도862．5 nm／RIU。저사결과유조우설계기우법낙공진적미납광자학기건。
In this paper, arrays of metallic half-ring/rectangle were designed, and their transmission proper-ties were investigated by the finite element method.Fano resonances appeare in the transmission spectra due to the electric field couplings between the half-ring and rectangle.Fano resonant peaks are dependent strongly on the structural parameters and the relative position of the half-ring and rectangle.They are also sensitive to re-fraction index around the arrays of metallic half-ring/rectangle and the highest sensitivity can be achieved to 862.5 nm/RIU.These results would be helpful for designing the micro-nano photonic devices based on the Fano resonance.