A5026768485- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Plasmonic and Surface Plasmon Research
- Photonic Crystal and Fiber Optics
- Metamaterials and Metasurfaces Applications
- Photonic Crystals and Applications
- Optical Network Technologies
- Advanced Fiber Laser Technologies
- Orbital Angular Momentum in Optics
- Gold and Silver Nanoparticles Synthesis and Applications
- Microwave and Dielectric Measurement Techniques
- Advanced Antenna and Metasurface Technologies
- Optical Coatings and Gratings
- Electromagnetic wave absorption materials
- Microwave Engineering and Waveguides
- Magnetic Properties and Synthesis of Ferrites
- Semiconductor Lasers and Optical Devices
- Antenna Design and Analysis
- Advanced Photonic Communication Systems
- Analytical Chemistry and Sensors
- Spectroscopy and Laser Applications
- Terahertz technology and applications
- Magneto-Optical Properties and Applications
- Perovskite Materials and Applications
- Thermal Radiation and Cooling Technologies
Northeast Petroleum University
2016-2025
Friedrich-Alexander-Universität Erlangen-Nürnberg
2021-2025
Beijing Jiaotong University
2011-2025
Harbin Institute of Technology
2007-2024
Helmholtz Institute Erlangen-Nürnberg
2021-2024
Southwest Jiaotong University
2024
Anhui University
2022-2024
Huazhong University of Science and Technology
2024
Tongji Hospital
2024
Wuhan National Laboratory for Optoelectronics
2024
A surface plasmon resonance (SPR) sensor with two open-ring channels based on a photonic crystal fiber (PCF) is described. The designed to detect low refractive indexes between 1.23 and 1.29 the operation wavelength in mid-infrared region 2550 nm 2900 nm. coupling characteristics sensing properties are numerically analyzed by finite element method. average spectral sensitivity 5500 nm/RIU maximum resolution of 7.69 × 10-6 RIU can be obtained. Our analysis shows that PCF-SPR suitable for detection.
We present a novel, structurally simple, multifunctional broadband absorber. It consists of patterned vanadium dioxide film and metal plate spaced by dielectric layer. Temperature control allows flexible adjustment the absorption intensity from 0 to 0.999. The modulation mechanism absorber stems thermogenic phase change properties material. achieves total reflection in terahertz band when is insulated state. When its metallic state, near-perfect ultra-broadband range 3.7 THz-9.7 THz....
Symmetrical dual D-shape photonic crystal fibers (PCFs) for surface plasmon resonance (SPR) sensing are designed and analyzed by the finite element method (FEM). The performance of sensor is remarkably enhanced directional power coupling between two fibers. We study influence structural parameters on as well relationship wavelengths analyze refractive indexes 1.36 1.41. An average spectral sensitivity 14660 nm/RIU can be achieved in this range corresponding index resolution 6.82 × 10-6 RIU....
We propose a novel simple patterned monolayer graphene metamaterial structure based on tunable terahertz plasmon-induced transparency (PIT). Destructive interference in this causes pronounced PIT phenomenon, and the response can be dynamically controlled by voltage since existence of continuous bands structural design. The theoretical transmission is calculated coupled mode theory (CMT), results are highly consistent with simulation curve. After that, influence mobility absorption...
Dual plasmon-induced transparency (PIT) and absorption (PIA) are simultaneously achieved in an integrated metamaterial composed of single layer graphene. Electric field distribution coupled mode theory (CMT) used to demonstrate the physical mechanism dual PIT PIA, theoretical result CMT is highly consistent with finite-difference time-domain (FDTD) method simulation result. Further research shows that both PIA phenomenon can be effectively modulated by Fermi level, carrier mobility graphene...
In this paper, a dual-parameter sensor based on surface plasmon resonance (SPR)-photonic crystal fiber (PCF) is proposed, which can be applied in detecting the magnetic field and temperature. sensor, two elliptical channels are designed both sides of core. The left channel (Ch 1) coated with gold film filled fluid (MF) to achieve response temperature using SPR. right 2) as well Ta2O5 improve SPR sensing performance. Finally, Ch 2 polydimethylsiloxane (PDMS) mode characteristics, structural...
To achieve simultaneous detection of analytes with different states in internal and external environments, A microstructured optical fibers (MOFs) biochemical sensor based on surface plasmon resonance (SPR) is proposed. The micro-polished dual-open-loop structure anti-corrosive gold as the sensing layer designed, which greatly improves phase matching between fundamental mode plasmonic to further stimulate SPR effect. Numerical simulation by full-vector finite element method (FEM) reveals...
In order to improve the performance of optical fiber sensing and expand its application, a photonic crystal (PCF) plasmonic sensor with U-shaped channel based on surface plasmon resonance (SPR) is proposed. We have studied general influence rules structural parameters such as radius air hole, thickness gold film number channels using COMSOL finite element method. The dispersion curves loss spectrum polariton (SPP) mode Y-polarization (Y-pol) well distribution electric field intensity (normE)...
A Fabry-Pérot interferometer (FPI) with an asymmetric tapered structure and air microbubble ultrathin wall is designed for high-sensitivity strain measurement. The sensor contains formed by two single-mode fibers (SMF) prepared fusion splicer arc discharge, a taper applied to one side of the thickness 3.6 µm. In this unique structure, more easily deformed under stress, sensitivity up 15.89 pm/µɛ as evidenced experiments.The temperature cross-sensitivity are 1.09 pm/°C 0.069 µɛ/°C in range...
An increase of the Zn-ion hybrid SC performance by carbon surface chemistry through pseudocapacitance induced proton transfer.
A surface plasmon resonance (SPR) chemical sensor comprising microstructured optical fiber (MOF) is designed for refractive index (RI) sensing in the visible to near-infrared (0.42-1.60 µm) region (NIR) as well detection of gas-liquid pollutants. To realize mode coupling and facilitate manufacturing, gold with inert plasmonic properties an analyte layer are introduced external MOF. The analyzed by full-vector finite element method (FEM) wavelength amplitude interrogation methods adopted...
Optical fibers have been widely applied to telecommunication, imaging, lasers, and sensing. Among the different types of fibers, photonic crystal (PCFs), also called microstructured optical characterized by air holes arranged along length experienced tremendous advance due their unique advantages. They are regarded as a desirable platform excite surface plasmon resonance (SPR) because easy realization phase matching conditions between fundamental core mode plasmonic mode, which plays...
A surface plasmon resonance (SPR) sensor comprising a photonic crystal fibre (PCF) with an annular analyte channel outside the is described and analysed. The losses of are analysed by finite element method (FEM) boundary condition perfectly matched layer (PML). influence structural parameters on performance investigated based loss spectra fundamental mode. relationship between wavelengths refractive indexes established for ranging from 1.395 to 1.425. An average spectral sensitivity...
A linear polarization conversion coding metasurface (MS) is proposed for the radar cross section (RCS) reduction of an object. The designed MS has both wideband RCS and high efficiency mirror reflection in different frequency bands. cells are arranged according to 1 bit sequences, characteristics verified by emulations experiments. simulation results indicate that 01/10 MSs possess greater than 10 dB 9.5-13.9 15.2-20.4 GHz, less sensitive under normal incidence. experiment show achieved...
To achieve sensing of low refractive indexes (RIs) in the near-infrared region, a novel series-wound structure with dual gold nanowires is designed and photonic crystal fiber (PCF) sensor based on surface plasmon resonance (SPR) investigated. Numerical simulation by finite element method (FEM) reveals that odd mode for y-polarization has better properties due to more prominent shift confinement loss peak. The PCF-SPR can realize broad range detection RIs changing from 1.13 1.35. maximum...
A terahertz metasurface consisting of a graphene ribbon and three strips, which can generate significant triple plasmon-induced transparency (triple-PIT), is proposed to realize multifunction switch optical storage. Numerical simulation triple-PIT the result destructive interference between bright modes dark mode be fitted by coupled theory (CMT). The penta-frequency asynchronous quatary-frequency synchronous switches achieved modulating Fermi levels. And performance including modulation...
A surface plasmon resonance (SPR) sensor comprising photonic crystal fiber (PCF) is designed for magnetic field and temperature dual-parameter sensing. In order to make the SPR detection of effectively, two open ring channels proposed are coated with gold silver layers filled fluid (MF) Polydimethylsiloxane (PDMS), respectively. The analyzed by finite element method its mode characteristics, structure parameters sensing performance investigated. analysis reveals when a range 40-310 Oe 0-60...
Abstract Reduced‐dimensional (2D or quasi‐2D) perovskites have recently attracted considerable interest due to their superior long‐term stability. The nature of the intercalating cations plays a key role in determining physicochemical properties and stability quasi‐2D perovskites. Here, thermal series 2D Ruddlesden−Popper (RP) is studied using seven types with increasing linear carbon‐chain length from ethylammonium (EA) n ‐dodecylammonium (DA) through high‐throughput platform. results show...