Journal of Infrared and Millimeter Waves, Volume. 44, Issue 1, 52(2025)

Research of terahertz frequency tunable coding metasurface based on perovskite materials

Yi-Fan LI1,2、*, He YANG1, Rui YANG1, Yi-Ming JIA1, Jia-Min HU1, Cun-Guang LOU1, Yu YU3, Xiu-Ling LIU1, and Jian-Quan YAO2
Author Affiliations
  • 1College of Electronic and Information Engineering,Key Laboratory of Digital Medical Engineering of Hebei Province,Hebei University,Baoding 071000,China
  • 2Institute of Laser and Optoelectronics,School of Precision Instruments and Optoelectronic Engineering,Tianjin University,Tianjin 300072,China
  • 3College of Electronic and Information Engineering,Hebei University of Technology,Tianjin 300131,China
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    Figures & Tables(6)
    Schematic diagram of the coding metasurface structure :(a) 0 structure in dark state ;(b) 1 structure in dark state ;(c) 0 structure in light state;(d) 1 structure in light state.
    (a)Insulating state amplitude of reflection(b) Insulating state reflection phase(c) Metallic state amplitude of reflection(d) Metallic state reflection phase
    Perovskite is insulated:(a) Beam pattern of the far field for the coding sequence 0101/0101 at 0.1 THz;(b) 0101/0101 at 0.14THz;(c) 0101/1010 at 0.1 THz;(d) 0101/1010 at 0.14 THz perovskite for insulating state with 0.14 THz far field。
    Perovskite is metallic:(a) Beam pattern of the far field for the coding sequence 0101/0101 at 0.1 THz ;(b) 0101/0101 at 0.14 THz;(c) 0101/1010 at 0.1 THz ;(d) 0101/1010 at 0.14 THz
    Device diagram of CH3NH3PbI3 encoding metasurface:(a) 0101/0101 structured encoded metasurface device without CH3NH3PbI3thin film;(b) 0101/1010 structured encoded metasurface device without CH3NH3PbI3 thin film;(c) Bottom metal layer of the device;(d) Device with CH3NH3PbI3 thin film.
    (a) perovskite absorption under dark and light conditions without a coded metasurface;(b) Reflection amplitude of coding metasurface units at different frequencies.
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    Yi-Fan LI, He YANG, Rui YANG, Yi-Ming JIA, Jia-Min HU, Cun-Guang LOU, Yu YU, Xiu-Ling LIU, Jian-Quan YAO. Research of terahertz frequency tunable coding metasurface based on perovskite materials[J]. Journal of Infrared and Millimeter Waves, 2025, 44(1): 52

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    Paper Information

    Category: Millimeter Wave and Terahertz Technology

    Received: May. 16, 2024

    Accepted: --

    Published Online: Mar. 5, 2025

    The Author Email: Yi-Fan LI (yifanli@tju.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2025.01.008

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