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  • Received: Apr. 14, 2019

    Accepted: Jun. 1, 2019

    Posted: Jun. 19, 2019

    Published Online: Jun. 19, 2019

    The Author Email: Setzpfandt Frank (f.setzpfandt@uni-jena.de)

    DOI: 10.1117/1.AP.1.3.036001

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    Chunqi Jin, Mina Afsharnia, René Berlich, Stefan Fasold, Chengjun Zou, Dennis Arslan, Isabelle Staude, Thomas Pertsch, Frank Setzpfandt. Dielectric metasurfaces for distance measurements and three-dimensional imaging[J]. Advanced Photonics, 2019, 1(3): 036001

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Advanced Photonics, Vol. 1, Issue 3, 036001 (2019)

Dielectric metasurfaces for distance measurements and three-dimensional imaging 

Chunqi Jin1,2,3, Mina Afsharnia1, René Berlich4, Stefan Fasold1, Chengjun Zou1, Dennis Arslan1, Isabelle Staude1, Thomas Pertsch1,4, and Frank Setzpfandt1,*

Author Affiliations

  • 1Friedrich Schiller University Jena, Institute of Applied Physics, Abbe Center of Photonics, Jena, Germany
  • 2Chinese Academy of Sciences, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, China
  • 3University of the Chinese Academy of Sciences, Beijing, China
  • 4Fraunhofer Institute for Applied Optics and Precision Engineering, Jena, Germany

Abstract

Ultrathin metasurfaces have shown the capability to influence all aspects of light propagation. This has made them promising options for replacing conventional bulky imaging optics while adding advantageous optical properties or functionalities. We demonstrate that such metasurfaces can also be applied for single-lens three-dimensional (3-D) imaging based on a specifically engineered point-spread function (PSF). Using Huygens’ metasurfaces with high transmission, we design and realize a phase mask that implements a rotating PSF for 3-D imaging. We experimentally characterize the properties of the realized double-helix PSF, finding that it can uniquely encode object distances within a wide range. Furthermore, we experimentally demonstrate wide-field depth retrieval within a 3-D scene, showing the suitability of metasurfaces to realize optics for 3-D imaging, using just a single camera and lens system.

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