• Journal of Infrared and Millimeter Waves
  • Vol. 43, Issue 3, 322 (2024)
Xiao-Sen LU, Xu WU*, Xiao-Ke WEI, Jun-Jie WANG, Qi-Liang WANG, Zuan-Ming JIN, and Yan PENG
Author Affiliations
  • School of Optical-Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China
  • show less
    DOI: 10.11972/j.issn.1001-9014.2024.03.005 Cite this Article
    Xiao-Sen LU, Xu WU, Xiao-Ke WEI, Jun-Jie WANG, Qi-Liang WANG, Zuan-Ming JIN, Yan PENG. Asymmetric tip design for far infrared metamaterial sensor[J]. Journal of Infrared and Millimeter Waves, 2024, 43(3): 322 Copy Citation Text show less
    Structural parameters of asymmetrically tipped split-ring resonator.
    Fig. 1. Structural parameters of asymmetrically tipped split-ring resonator.
    Schematic of asymmetric tip design for far-IR metamaterial:(a) Schematic of equivalent capacitance and inductance effect;(b) Relationship between the tip length,tip area and the tip angle.
    Fig. 2. Schematic of asymmetric tip design for far-IR metamaterial:(a) Schematic of equivalent capacitance and inductance effect;(b) Relationship between the tip length,tip area and the tip angle.
    Surface electric field distribution of far-IR metamaterial: (a) untipped structure; (b-i) asymmetric tip structure. The tip angle is (b)150°; (c)120°; (d) 105°; (e) 90°; (f) 75°; (g) 60°; (h) 30°,and (i) 16°,respectively
    Fig. 3. Surface electric field distribution of far-IR metamaterial: (a) untipped structure; (b-i) asymmetric tip structure. The tip angle is (b)150°; (c)120°; (d) 105°; (e) 90°; (f) 75°; (g) 60°; (h) 30°,and (i) 16°,respectively
    Resonance wavenumber under different asymmetric tip angles (normalized resonant peaks separated in the vertical axis).
    Fig. 4. Resonance wavenumber under different asymmetric tip angles (normalized resonant peaks separated in the vertical axis).
    FWHM under different asymmetric tip angles: (a) Normalized spectra; (b) Relationship between FWHM and tip angle.
    Fig. 5. FWHM under different asymmetric tip angles: (a) Normalized spectra; (b) Relationship between FWHM and tip angle.
    Q factors of the double split-ring resonators under different asymmetric tip angles.
    Fig. 6. Q factors of the double split-ring resonators under different asymmetric tip angles.
    Sensing sensitivity of the double split-ring resonators under different asymmetric tip angles:(a) Schematic of simulation model. The dielectric constant is (b) 2.0 and (c) 3.6,respectively.
    Fig. 7. Sensing sensitivity of the double split-ring resonators under different asymmetric tip angles:(a) Schematic of simulation model. The dielectric constant is (b) 2.0 and (c) 3.6,respectively.
    Xiao-Sen LU, Xu WU, Xiao-Ke WEI, Jun-Jie WANG, Qi-Liang WANG, Zuan-Ming JIN, Yan PENG. Asymmetric tip design for far infrared metamaterial sensor[J]. Journal of Infrared and Millimeter Waves, 2024, 43(3): 322
    Download Citation