Volume 8 Issue 3
Jun.  2015
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LUO Li-na, WANG Yong-kai, NIE Jun-ying, YIN Bao-yin, ZHANG Zhong-yue. Fano resonance properties of the arrays of metallic half-ring/rectangle structure[J]. Chinese Optics, 2015, 8(3): 360-367. doi: 10.3788/CO.20150803.0360
Citation: LUO Li-na, WANG Yong-kai, NIE Jun-ying, YIN Bao-yin, ZHANG Zhong-yue. Fano resonance properties of the arrays of metallic half-ring/rectangle structure[J]. Chinese Optics, 2015, 8(3): 360-367. doi: 10.3788/CO.20150803.0360

Fano resonance properties of the arrays of metallic half-ring/rectangle structure

doi: 10.3788/CO.20150803.0360
  • Received Date: 16 Dec 2014
  • Accepted Date: 19 Feb 2015
  • Publish Date: 25 Jan 2015
  • In this paper, arrays of metallic half-ring/rectangle were designed, and their transmission properties 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 refraction 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.

     

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