, Volume 13, Issue 4, pp 1483–1490 | Cite as

2-Dimensional Microlens Based on Uniformed Plasmonic Pyramid Arrays

  • Zi-Xun Jia
  • Yong ShuaiEmail author
  • Jia-Hui Zhang
  • He-Ping TanEmail author


As a crucial optical element, many different kinds of microlens have been proposed and studied. In this paper, a 2-dimensional microlens has been achieved based on direct bending of wavefront. With only 25 elements, the microlens can achieve subwavelength imaging in a 2-dimensional case. Focusing pattern and sensitivity of object movement have been studied. The physical picture for focusing and imaging has been explained by the help of a Gauss dipole model. Current study can broaden the basic understanding on light-matter interaction and optical element design.


Microlens Plasmonics Metamaterial 



A very special acknowledgment is made to the editors and referees whose constructive criticism has improved this paper.


This work was supported by the National Natural Science Foundation of China (Nos. 51421063, 51522601) and Chang Jiang Young Scholars Program of China (Q2016186).


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.School of Energy Science and EngineeringHarbin Institute of TechnologyHarbinPeople’s Republic of China

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