A5052507766- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Solid State Laser Technologies
- Advanced Sensor and Control Systems
- Semiconductor Lasers and Optical Devices
- Optical Systems and Laser Technology
- Advanced Computational Techniques and Applications
- Optical Wireless Communication Technologies
- Network Security and Intrusion Detection
- Laser-Matter Interactions and Applications
- Anomaly Detection Techniques and Applications
- Advanced Antenna and Metasurface Technologies
- Advanced optical system design
- Metamaterials and Metasurfaces Applications
- Photonic Crystal and Fiber Optics
- Industrial Technology and Control Systems
- Web and Library Services
- Adaptive optics and wavefront sensing
- Mechanical and Optical Resonators
- Ocular and Laser Science Research
- Antenna Design and Analysis
- Oil Spill Detection and Mitigation
- Advanced Measurement and Metrology Techniques
- Magneto-Optical Properties and Applications
Chinese Academy of Sciences
2023-2024
Guangdong Ocean University
2021-2024
Shanghai Electric (China)
2024
Liaoning University of Technology
2024
South China Sea Institute Of Oceanology
2024
Institute of Optics and Electronics, Chinese Academy of Sciences
2023
Bohai University
2005-2022
First Affiliated Hospital of Xiamen University
2022
University of Electronic Science and Technology of China
2022
Harbin University of Science and Technology
2008-2021
A hybrid cascaded configuration consisting of a fiber Sagnac interferometer (FSI) and Fabry-Perot (FPI) was proposed experimentally demonstrated to enhance the temperature intensity by Vernier-effect. The FSI, which consists certain length Panda fiber, is for sensing, while FPI acts as filter due its insensitivity. two interferometers have almost same free spectral range, with envelope sensor shifting much more than single FSI. Experimental results show that sensitivity enhanced from −1.4...
A novel high-sensitive fiber-optic Fabry-Perot sensor with parallel polymer-air cavities based on Vernier effect was proposed and demonstrated for simultaneous measurement of pressure temperature. The is composed two both are fabricated by splicing a section silica tube to the single-mode fiber. One cavity filled polydimethylsiloxane, other thin layer ultraviolet glue at end-face tube, ensuring that free spectrum ranges similar generate effect. interferometer polydimethylsiloxane found be...
A compact fiber-optic temperature sensor with hybrid interferometers enhanced by the harmonic Vernier effect was proposed, which realized 36.9 times sensitization of sensing Fabry-Perot interferometer (FPI). The configuration consists a FPI and Michelson interferometer. proposed is fabricated splicing hole-assisted suspended-core fiber (HASCF) to multi-mode fused single-mode fiber, filling polydimethylsiloxane (PDMS) into air hole HASCF. high thermal expansion coefficient PDMS improves...
Nanoplastics, novel environmental pollutants widely dispersed, present challenges due to limited, dependable detection methods, particularly for trace levels. This study introduces a approach that integrates liquid-phase self-assembly nanoparticle technology with surface-enhanced Raman spectroscopy (SERS) the precise of nanoplastics. Utilizing hydrophobic–lipophilic interactions and SERS technology, we developed silver nanoparticles (Ag NPs)@poly(methyl methacrylate) (PMMA) films NPs@PMMA...
A novel high sensitivity temperature sensor based on polydimethylsiloxane (PDMS) coated the Multi-Thin-Multi mode Fiber was presented. The reliable material PDMS with higher negative thermal optical coefficient and expansion selected to improve of fiber's sensing. section thin-mode fiber connected in middle two multi-mode fibers, so as form structure, which can make light cladding better interact external PDMS. For dips interference spectra, sensitivities original were 47.14 pm/°C 0.093...
A novel graphene-based metamaterial absorber with actively tunable bandwidth, intensity and frequency, working at the terahertz (THz) spectral region, was designed numerically investigated in this paper. The controlled absorption characteristics graphene were achieved by integrating two identical-sized disc elements to construct a supercell, which of all unit cells connected respectively electrical isolation wires form selectively electrostatic doping. surface current distributions circuit...
This study proposes an experimental implementation of temperature sensing system to the enhanced Vernier effect using two polydimethylsiloxane (PDMS)-cavity Fabry-Perot interferometers (FPIs) arranged in parallel. However, these devices exhibited opposite responses temperature; that is, with increase (or decrease) temperature, FPIs shifted red and blue wavelength directions, respectively. indicated sensitivity amplification their parallel configuration was considerably larger than generated...
Miniaturization, low cost and high performance of accelerometers have been the topic extensive research. A kind convective micromachined accelerometer without proof mass is described in this paper. It consists a microheater two temperature sensors which measure difference between sides caused by effect acceleration on free convection. The optimization consideration conducted before fabrication; some key factors, heater size power, cavity size, distance sensor working medium, are considered....
A fiber-optic temperature sensor based on the harmonic Vernier effect (HVE) was proposed, which consists of a sensing Sagnac interferometer (SSI) and reference (RSI) in parallel. Different order HVEs are generated by controlling length panda fiber SSI to be about an integer multiple that RSI. The sensitivity detuning different compared with normal (NVE) investigated, results show have almost same as NVE when they magnification factor, while their detunings much larger than NVE, higher HVE,...
A novel high sensitivity all-fiber Fabry-Perot interferometer (FPI) gas refractive index (RI) sensor based on hole-assisted one-core fiber (HAOCF) and Vernier effect was proposed demonstrated. The is fabricated by splicing a section of HAOCF to silica tube (ST) fused with the lead-in single-mode (SMF), ensuring that composed an air-cavity FPI silica-cavity FPI. cascaded dual-cavities generate due similar free spectrum range (FSR), which significantly improve sensor. Owing air hole in...
This study addresses the drawbacks of traditional methods used in meter coefficient analysis, which are low accuracy and long processing time. A new method based on non-parametric analysis using Back Propagation (BP) neural network is proposed to overcome these limitations. The explores classification pattern recognition capabilities BP by analyzing its model optimization methods. For construction, uses United Kingdom Domestic Appliance-Level Electricity dataset's readings related data for...
In the midst of a rapidly evolving economic landscape, global demand for oil is steadily escalating. This increased has fueled marine extraction and maritime transportation oil, resulting in consequential uneven surge spills. Characterized by their abrupt onset, rapid pollution dissemination, prolonged harm, challenges short-term containment, spill accidents pose significant environmental threats. Consequently, it imperative to adopt effective reliable methods timely detection spills...
Instead of Zernike polynomials, ellipse Gaussian model is proposed to represent localized wave-front deformation in researching pointing and tracking errors inter-satellite laser communication links, which can simplify the calculation. It shown that both depend on center deepness h, radiuses a b, distance d distortion change regularly as they increase. The maximum peak values always appear around h=0.2lambda. influence up 0.7microrad for error, 0.5microrad error. To reduce impact errors,...