• Chinese Optics Letters
  • Vol. 22, Issue 12, 123602 (2024)
Eduardo Pisano Chávez1, Juan Pablo Treviño Gutiérrez2,3, Julio César García Melgarejo4, Alfonso Isaac Jaimes Nájera2..., Sabino Chávez Cerda5 and Jesús Emmanuel Gómez Correa5,*|Show fewer author(s)
Author Affiliations
  • 1CONAHCYT - Centro de Investigación en Materiales Avanzados, S. C., Subsede Monterrey, Apodaca, NL 66629, Mexico
  • 2Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey NL 64849, Mexico
  • 3Universidad Politécnica de Puebla, San Mateo Cuanalá, Puebla 72640, Mexico
  • 4Universidad Autónoma de Coahuila, Facultad de Ingeniería Mecánica y Eléctrica, Torreón, Coahuila 27276, Mexico
  • 5Instituto Nacional de Astrofísica, Óptica y Electrónica, Coordinación de Óptica, Tonantzintla Puebla 72840, Mexico
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    DOI: 10.3788/COL202422.123602 Cite this Article Set citation alerts
    Eduardo Pisano Chávez, Juan Pablo Treviño Gutiérrez, Julio César García Melgarejo, Alfonso Isaac Jaimes Nájera, Sabino Chávez Cerda, Jesús Emmanuel Gómez Correa, "Designs of a plasmonic metasurface Gutman lens," Chin. Opt. Lett. 22, 123602 (2024) Copy Citation Text show less
    (a) The PMMA layer is deposited on a 70-nm-thick gold film, forming a circular shape. (b) The PMMA layer is drilled to generate nanometer-sized cylindrical holes.
    Fig. 1. (a) The PMMA layer is deposited on a 70-nm-thick gold film, forming a circular shape. (b) The PMMA layer is drilled to generate nanometer-sized cylindrical holes.
    (a) The variation of effective refractive index at the center of the lens for different values of F. (b) The variation of central radius for both configurations with different values of F. The smallest radius is 25 nm.
    Fig. 2. (a) The variation of effective refractive index at the center of the lens for different values of F. (b) The variation of central radius for both configurations with different values of F. The smallest radius is 25 nm.
    (a) The 12-fold symmetry design and (b) the square lattice design.
    Fig. 3. (a) The 12-fold symmetry design and (b) the square lattice design.
    Electric field profiles of SPPs propagating through metasurfaces with a 12-fold symmetry design and a square lattice design.
    Fig. 4. Electric field profiles of SPPs propagating through metasurfaces with a 12-fold symmetry design and a square lattice design.
    Field intensities along the z-axis for metasurfaces with (a) 12-fold symmetry and (b) square lattice designs. Field intensities for both designs are calculated on the x–z plane; refer to (e) and (f) for visualization. (c) Comparison of field intensities for a continuous Luneburg lens and Luneburg lenses with square lattice and 12-fold symmetry designs. (d) Comparison of field intensities for a continuous Luneburg lens cut at ρ = 4.35 µm and Luneburg lenses with a square lattice design. FWHM measurement at the focal plane for a Gutman lens (F = RL) (g) with a square lattice design and (h) without GRIN.
    Fig. 5. Field intensities along the z-axis for metasurfaces with (a) 12-fold symmetry and (b) square lattice designs. Field intensities for both designs are calculated on the xz plane; refer to (e) and (f) for visualization. (c) Comparison of field intensities for a continuous Luneburg lens and Luneburg lenses with square lattice and 12-fold symmetry designs. (d) Comparison of field intensities for a continuous Luneburg lens cut at ρ = 4.35 µm and Luneburg lenses with a square lattice design. FWHM measurement at the focal plane for a Gutman lens (F = RL) (g) with a square lattice design and (h) without GRIN.
     The 12-fold symmetry designThe square lattice design
    Focal pointsF0.90801RL = 0.7920RLF0.90959RL = 0.8813RL
    F0.93RL = 0.7919RLF0.93RL = 0.8885RL
    F0.95RL = 0.4762RLF0.95RL = 0.9011RL
    F0.97RL = 0.4735RLF0.97RL = 0.9219RL
    FRL = 0.5545RLFRL = 0.9382RL
    FWHMF0.90801RL = 0.639λF0.90959RL = 0.682λ
    F0.93RL = 0.737λF0.93RL = 0.711λ
    F0.95RL = 0.455λF0.95RL = 0.713λ
    F0.97RL = 0.429λF0.97RL = 0.709λ
    FRL = 0.733λFRL = 0.725λ
    Table 1. A Detailed Comparison of the Field Intensities between the 12-fold Symmetry and the Square Lattice Designs
    Eduardo Pisano Chávez, Juan Pablo Treviño Gutiérrez, Julio César García Melgarejo, Alfonso Isaac Jaimes Nájera, Sabino Chávez Cerda, Jesús Emmanuel Gómez Correa, "Designs of a plasmonic metasurface Gutman lens," Chin. Opt. Lett. 22, 123602 (2024)
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