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Plasmonic Planar Lens Based on Slanted Nanoslit Array

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Abstract

The novel plasmonic lenses based on slanted nanoslits have been proposed theoretically. The slanted nanoslits with different slant angles can provide unequal propagation distances for the surface plasmon polaritons excited by incident light. The phase retardation for wavefront shaping can be obtained to realize constructive interference on a preset single spot. We can actively modulate the position of the optical focus by adjusting the slits slant angles properly. The simulation results of the finite element method are used to verify our proposals.

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Acknowledgment

This work is supported by the National Natural Science Foundation of China (Grant Nos. 11504139, 11504140), the Natural Science Foundation of Jiangsu Province (Grant Nos. BK20140167, BK20140128), the Fundamental Research Funds for the Central Universities (Grant Nos. JUSRP115A15, JUSRP51517), and the Nature Science Foundation of Xuzhou Institute of Technology (Grant No. XKY2014206).

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Authors and Affiliations

  1. School of Science, Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Jiangnan University, Wuxi, 214122, China

    Hongyan Shao, Jicheng Wang, Zheng-Da Hu, Xiushan Xia & Tian Sang

  2. School of Mathematics & Physics Science, Xuzhou Institute of Technology, Xuzhou, 221111, China

    Dongdong Liu

Authors
  1. Hongyan Shao
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  2. Jicheng Wang
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  3. Dongdong Liu
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  4. Zheng-Da Hu
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  5. Xiushan Xia
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  6. Tian Sang
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Correspondence to Jicheng Wang or Tian Sang.

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Shao, H., Wang, J., Liu, D. et al. Plasmonic Planar Lens Based on Slanted Nanoslit Array. Plasmonics 12, 361–367 (2017). https://doi.org/10.1007/s11468-016-0272-8

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  • DOI: https://doi.org/10.1007/s11468-016-0272-8

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