Photonics Research, Volume. 13, Issue 7, 1800(2025)
Microwave-infrared-compatibility enhancement of metasurfaces by decoupling Lorentz resonance of meta-atoms
Figures & Tables(8)
Fig. 1. (a) The framework of the designing process. (b) The structure of the meta-atom. (c) The microwave performance of the initial rotator. (d) The intuitive explanation of the
Fig. 2. (a) The design framework of infrared camouflage with gradient emissivity. (b) The co-polarized reflectivity at different occupation ratios. (c) The cross-polarized reflectivity at different occupation ratios. (d) The PCR at different occupation ratios.
Fig. 3. (a) The reflection coefficients of the rotator. (b) The reflection coefficients and resonant points of the patches with different sizes. (c) The surface current distribution of the initial rotator (without patch) at 7 GHz. (d) The surface current distribution of the rotator (with patch size 5 mm) at 7 GHz. (e) The surface current distribution of the rotator (patch with slits) at 7 GHz.
Fig. 4. The microwave performance of the meta-atom at different occupation ratios after improvement: (a) the co-polarized reflectivity; (b) the cross-polarized reflectivity; (c) the PCR.
Fig. 5. (a) The cross-polarized reflective amplitudes and phases of post-rotation and pre-rotation. (b) Schematic diagram of RCS scattering cancellation coding based on alternative distribution. (c) The far-field simulated results of the metasurface and copper plate. (d) The RCS values in the vertical direction of the metasurface and copper plate.
Fig. 6. (a) The microwave experiment measuring system at 2–6 GHz. (b) The microwave experiment measuring system at 6–8 GHz. (c) The sample of the metasurface. (d) The comparison of the reduction of RCS between the measurement and simulation.
Fig. 7. (a) The measurement of mean infrared emissivity in region I. (b) The measurement of mean infrared emissivity in region II. (c) The measurement of mean infrared emissivity in region III. (d) The measurement of mean infrared emissivity in region IV. (e) The infrared spectrum instrument and measurement of infrared emissivity at 3–14 μm. (f) The overall infrared imaging of the sample and the comparison between the sample and copper. (g) The overall infrared imaging at different heating temperatures of 60°C and 90°C.
Table 1. Comparison of the Proposed Metasurface with Previously Reported Studies
View tableView in ArticleTable 1. Comparison of the Proposed Metasurface with Previously Reported Studies
Reference Relative Stealth Microwave Bandwidth Infrared Camouflage Performance Number of Functional Layers Types of Infrared Emissivity on the Surface [ 33 ]None 0.25–0.8 (3–5 μm) 0.03–0.46 (8–14 μm) 3 4 [ 34 ]None 0.21 (3–5 μm) 0.16 (8–14 μm) 2 2 [ 19 ]40% 0.12 (3–5 μm) 0.11 (8–14 μm) 3 2 [ 16 ]None 0.19 (3–5 μm) 0.21 (8–14 μm) 3 2 [ 22 ]123.6% 0.34 (3–14 μm) 3 1 [ 18 ]106.6% 0.35–0.60 (3–14 μm) 3 3 This work 44.4% 0.51–0.80 (3–14 μm) 1 4
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Huiting Sun, Jun Wang, Yuxiang Jia, Sai Sui, Ruichao Zhu, Yina Cui, Shaobo Qu, Jiafu Wang, "Microwave-infrared-compatibility enhancement of metasurfaces by decoupling Lorentz resonance of meta-atoms," Photonics Res. 13, 1800 (2025)
Paper Information
Category: Surface Optics and Plasmonics
Received: Jan. 16, 2025
Accepted: Apr. 17, 2025
Published Online: Jun. 13, 2025
The Author Email: Jun Wang (wangjun563@163.com), Yuxiang Jia (jiayuxiang93@163.com), Jiafu Wang (wangjiafu1981@126.com)
CSTR:32188.14.PRJ.555317
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