Acta Optica Sinica, Volume. 38, Issue 11, 1105001(2018)

Axial Multi-Vortex Beam Based on Thue-Morse Lens

Mengsi Liu1、*, Tian Xia2, and Shubo Cheng1、*
Author Affiliations
  • 1 School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, Hubei 434023, China
  • 2 School of Physics and Electronics, Central South University, Changsha, Hunan 410083, China
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    Based on the Thue-Morse aperiodic mathematical sequence, a new kind of diffractive optical elements (DOEs), which is Thue-Morse multi-focal vortex lens, is proposed. Compared with the Fresnel vortex lens, the generated beam by the Thue-Morse vortex lens possesses the optical vortices embedded at the axial foci and the symmetry optical vortices have the equal intensity. The simulations and experiments verify the unique diffraction properties of the Thue-Morse vortex lens, which can generate vortices array and realize the trappings of metal particles and dielectric particles of low refractive index. The Thue-Morse vortex lens can be potentially applied in the research fields of micro and nanophotonics.

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    Mengsi Liu, Tian Xia, Shubo Cheng. Axial Multi-Vortex Beam Based on Thue-Morse Lens[J]. Acta Optica Sinica, 2018, 38(11): 1105001

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    Paper Information

    Category: Diffraction and Gratings

    Received: Apr. 2, 2018

    Accepted: Jun. 19, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/AOS201838.1105001

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