A5078388510- Advanced Antenna and Metasurface Technologies
- Metamaterials and Metasurfaces Applications
- Antenna Design and Analysis
- Photonic Crystals and Applications
- Photonic and Optical Devices
- Electromagnetic wave absorption materials
- Plasmonic and Surface Plasmon Research
- Advanced Materials and Mechanics
- Thermal Radiation and Cooling Technologies
- Orbital Angular Momentum in Optics
- Microwave Engineering and Waveguides
- Optical Wireless Communication Technologies
- Urban Heat Island Mitigation
- Radio Wave Propagation Studies
- Photorefractive and Nonlinear Optics
- Structural Analysis and Optimization
- Dielectric materials and actuators
- Semiconductor Lasers and Optical Devices
- Fern and Epiphyte Biology
- Full-Duplex Wireless Communications
- Electromagnetic Scattering and Analysis
- Analytical Chemistry and Sensors
- Microwave Dielectric Ceramics Synthesis
- Nonlinear Optical Materials Research
- Flame retardant materials and properties
Air Force Engineering University
2016-2025
Suzhou Research Institute
2024
South China University of Technology
2021
Xi'an Jiaotong University
2016
Qufu Normal University
2009
We propose to realize ultra-wideband polarization conversion metasurfaces in microwave regime through multiple plasmon resonances. An metasurface is designed using a double-head arrow structure and further demonstrated both numerically experimentally. Four resonances are generated by electric magnetic resonances, which lead bandwidth expansion of cross-polarization reflection. The simulated results show that the maximum efficiency nearly 100% at four resonance frequencies 1:4 3 dB can be...
In this letter, we propose an anchor-shaped loop unit-cell structure for compact frequency selective surfaces (FSSs) with dual-bandstop behavior in two wireless local area network (WLAN) frequencies 2.4 and 5.0 GHz. The proposed FSS possesses 230- 300-MHz bandwidths insertion loss less than -20 dB around the central operating GHz, respectively. addition, exhibits excellent miniaturization 0.065 λ × 0.076 unit cells, where represents free-space wavelength. Furthermore, provides a stable...
A highly selective tri-band bandpass frequency-selective surface (FSS) is presented by cascading three layers of periodic arrays. The middle layer composed double square loops (DSLs) while the two exterior are gridded-double (G-DSLs) structure. proposed FSS can provide multitransmission zeros which lead to a wide out-of-band rejection between each adjacent passbands and sharp behavior on both sides passband. Furthermore, exhibits stable response over range incident angles for TE TM...
Metasurfaces have been extensively investigated to achieve radar cross section (RCS) reduction over a wide frequency band. In this article, we propose the design of novel metasurface with transmission window within RCS The function is similar rasorbers, whereas mechanism behind wideband scattering cancellation rather than absorption. To end, ideal reflection and properties unit cell are firstly revealed. And then an anisotropic composed multilayered metallic patterns designed obtain desired...
In this letter, a novel bandpass frequency selective surface (FSS) with miniaturized periodic element is presented. The proposed FSS printed on one face of single-layer substrate relative permittivity 2.65. has promising miniaturization characteristics the unit-cell dimension 0.058λ×0.058λ, where λ represents free-space wavelength corresponding to resonant frequency. exhibits excellent stability under different polarizations and incident angles. Both simulation measurement results validate...
Controlling of electromagnetic wave radiation is great importance in many fields. In this work, a hybrid metasurface (HMS) designed to simultaneously reduce the microwave reflection and infrared emission. The HMS composed metal/dielectric/metal/dielectric/metal configuration. reduction at frequencies mainly results from phase cancellation technique, while emission due metal with high filling ration top layer. It has been analytically indicated that an efficiency larger than 10 dB can be...
In this letter, a miniaturized dual-band frequency selective surfaces with second-order band-pass response at each operation band is presented. The design implemented by cascading two-dimensional periodic array of double square loops and an wire grids. proposed structure composed three metal two dielectric layers acts as spatial dual microwave filter large separation. predicted FSS has the merits broadband response, excellent stability for different incident angles, sharp roll-off X-...
The compatible stealth functionality in the infrared (IR) and radar wave bands is most important research topic field of material technology. Here, a new hybrid metasurface (HMS) for infrared-multiband stealth-compatible materials was proposed studied. Two specifically designed layers that can control emission microwave absorption were combined to realize IR bi-stealth. simulated experimental results show HMS has five strong peaks at f <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
A novel design of spoof surface plasmon polariton (SSPP) planar antenna is proposed based on the wave vector modulation transmissive phase gradient metasurface (TPGM). The consists TPGM placed a certain distance above SSPP guided structure, exhibiting directional radiation property according to generalized Snell's law. As an example, fed by rectangular waveguide designed using wideband polarization rotating TPGM. Simulated and experimental results, agreeing well with each other, show that...
Multifunctional metasurfaces have exhibited considerable abilities of manipulating electromagnetic (EM) waves, especially in full-space manipulation. However, most works are implemented with functions controlled by polarization or frequency and seldom involve the incidence angle. Herein, we propose a multifunctional metasurface frequency, A meta-atom is firstly designed. When EM waves illumine normally C-band, it possesses characteristic asymmetric transmission high-efficient conversion. In...
In this letter, a paradigm for designing tunable frequency selective surfaces (FSSs) with angular stability is presented. The FSS implemented by nonresonant subwavelength unit cells loaded varactor diodes, which can be applied in dynamic and efficient compensation mechanism. red shifts introduced diodes are used to compensate the deviation under oblique incident angles. proposed two-layer structure composed of an array wire grid split square ring two diodes. periodicity one same that 2 ×...
Abstract The integrated modulation of radiation and scattering provides an unprecedented opportunity to reduce the number electromagnetic (EM) apertures in platform while simultaneously enhancing communication stealth performance. Nevertheless, achieving full‐polarization, arbitrary amplitude, phase remains a challenge. In this paper, strategy that realizes space‐time coding within same frequency band, which enables simultaneous independent amplitude phase, is proposed. To address...
In this paper, we propose the design of a hybrid surface with low radar cross section (RCS) at lower frequencies and transmission window higher frequencies. The comprises two parts: frequency selective (FSS) on bottom checkerboard metasurface top. FSS exhibits low-stop high-pass properties, which reflects waves allows metasurface, reflective substrate, can reduce RCS by means scattering cancellation. Due to property FSS, achieve broadband reduction since acts as substrate. Simultaneously, be...