• Acta Photonica Sinica
  • Vol. 50, Issue 6, 168 (2021)
ZHOU Li, ZHANG Xiaohu, LIN Xiaogang, GAO Chao, and GUO Yongcai
Author Affiliations
  • Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering,Chongqing University, Chongqing400044, China
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    DOI: 10.3788/gzxb20215006.0623001 Cite this Article
    Li ZHOU, Xiaohu ZHANG, Xiaogang LIN, Chao GAO, Yongcai GUO. A Planar Artificial Compound Eye Based on Metalens Array[J]. Acta Photonica Sinica, 2021, 50(6): 168 Copy Citation Text show less

    Abstract

    In order to realize an optical imaging system with light-weight, integration and large field of view, a planar artificial compound eye structure based on the utilization of a metalens array is proposed. It uses TiO2 nanopillars with different orientation angles to manipulate the electro-magnetic wave based on the grometric phase principles. It makes the surface of the metalens array and the image plane both planar, and does not need the non-spherical processing required by the traditional curved compound eyes. With the superposition of the off-axis phase onto the traditional matalens’ focusing phase, the effect produced by the illumination of the non-paraxial light beams on the imaging quality is effectively canceled and a large field of view is achieved. The designed compound eye is mainly composed of an array of 11×11 metalenses. It has the size of the 165 μm×165 μm and overall height of 18.6 μm, with the field of view of 140°×140°. The simulation results indicates that the the proposed compound eye structure achieves good image quality even under the illumination at a large off-axis angle (50°).

    GUO Yongcai (1963-), female, professor, Ph.D. degree, mainly focuses on environmental monitoring, light scattering theory and so on. Email: ycguo@cqu.edu.cn

    Copy Citation Text
    Li ZHOU, Xiaohu ZHANG, Xiaogang LIN, Chao GAO, Yongcai GUO. A Planar Artificial Compound Eye Based on Metalens Array[J]. Acta Photonica Sinica, 2021, 50(6): 168
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