Yueyang JING, Peili LI, Yajie ZHANG, Yang CAO, Yu CHEN. Liquid Crystal-based Wide-angle Terahertz Tunable Metasurface Absorber[J]. Acta Photonica Sinica, 2023, 52(10): 1052421
- Acta Photonica Sinica
- Vol. 52, Issue 10, 1052421 (2023)
Fig. 1. Schematic diagram of the metasurface unit structure
Fig. 2. Absorption rate with changes in metasurface unit structure parameters
Fig. 3. Flowchart of inverse design of metasurface structure based on PSO
Fig. 4. Absorption spectra of TE mode and TM mode when terahertz waves are vertically incident
Fig. 5. Surface electric field E and current distribution J of metasurface absorber under vertical incidence
Fig. 6. Relative impedance spectra of metasurface absorber
Fig. 7. Absorption spectra of TE mode and TM mode when terahertz waves are obliquely incident at an angle of α
Fig. 8. Surface electric field E and current distribution J of metasurface absorber under oblique incidence at 60° and 85°
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Table 1. Comparison of the main performance parameters of the absorber with similar published literature
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