A5104668775- Solid State Laser Technologies
- Advanced Fiber Laser Technologies
- Laser Design and Applications
- Radiative Heat Transfer Studies
- Laser Material Processing Techniques
- Calibration and Measurement Techniques
- Thin-Film Transistor Technologies
- Advanced Sensor Technologies Research
- Electrical and Thermal Properties of Materials
- Advanced Chemical Sensor Technologies
- Surface Roughness and Optical Measurements
- Analytical chemistry methods development
- Semiconductor Lasers and Optical Devices
- Optical Systems and Laser Technology
- Orbital Angular Momentum in Optics
- Turbomachinery Performance and Optimization
- Combustion and flame dynamics
- ZnO doping and properties
- Optical Wireless Communication Technologies
- Transcranial Magnetic Stimulation Studies
- Refrigeration and Air Conditioning Technologies
- Heat Transfer Mechanisms
- Laser-Matter Interactions and Applications
- Graphene research and applications
- Natural Language Processing Techniques
Changchun University of Science and Technology
2009-2025
Kunming University of Science and Technology
2022-2024
San’an Optoelectronics (China)
2024
Foshan University
2022-2023
Qilu Normal University
2022
Beijing Information Science & Technology University
2022
Chang'an University
2022
China Railway Eryuan Engineering Group Co.
2020
China Railway Group (China)
2020
Hebei Agricultural University
2015
Abstract The use of laser irradiation to remove contaminants from soil is an emerging remediation technology with broad application prospects. mechanisms temperature field variations, moisture transport, evaporation, and condensation under conditions or without a carrier gas during are still unclear. This paper utilizes heat mass transfer model continuous wave (CW) irradiation, established based on local non-thermal equilibrium, analyze the variation characteristics physical within soil,...
This paper presents a comprehensive review of the intelligent algorithms (IAs) based optimization electric vehicle (EV) wireless charging. First, general overview EV charging system is introduced in terms compensation circuit, coupling coils, and control strategies, followed by potential application IAs. Then, target, parameter optimization, structure design topologies on IAs are elaborately expounded citing current research findings. Subsequently, deeply explored for optimizing systematic...
The development of the fifth-generation (5G) mobile communication systems has entered commercialization stage.5G a high data rate, low latency, and reliability that can meet basic demands most industries daily life, such as Internet Things (IoT), intelligent transportation systems, positioning, navigation.The continuous progress society have aroused wide concern.Positioning accuracy is core demand for applications, especially in complex environments airports, warehouses, supermarkets,...
Underwater acoustic (UWA) adaptive modulation (AM) requires feedback about channel state information (CSI) but the long propagation delays and time-varying features of UWA channels can cause CSI to be outdated. When AM mode is selected by outdated CSI, mismatch between actual during transmission degrades performance even lead communication failure. Reinforcement learning has ability learn relationships systems environment. This paper proposes a deep Q-network (DQN)-based method for that uses...
A comparative study of the interactions millisecond-nanosecond combined-pulse laser and millisecond pulse with aluminum alloy is presented. During interaction between alloy, coupling effect nanosecond on molten pool formed by analyzed. irradiation in combined approach, expansion velocity plasma plume reaches 600 m/s, while ablation depth increased approximately 9 times. Based experiments, high-speed shadow imaging method, correlation temperature evolution characteristics, morphology are...
A new pixel circuit consisting of eleven n-type IGZO transistors (TFTs) and four capacitors is proposed applied for micro light emitting diode (MLED) displays. The driven by pulse hybrid modulation (PHM), combining amplitude (PAM) width (PWM). In purpose, high grayscales are achieved PAM mode low PWM mode, which keep the driving current LED out small value range so as to avoid unstable luminance performance. It conducted that MLED display PHM demonstrate a stable at grayscale with well...
Ablation morphology affects the quality of laser processing. Therefore, control ablation is very important. The influence spot size combination mode on aluminum alloy studied for first time. Experimental results show that when nanosecond larger, looks like a bowl-shape, and there little solidification near edge. When smaller, shape similar to hole, protuberance formed edge cavity. Through analysis simulation physical model, mechanism, which describes molten pool, discussed. research this...
Abstract The pore structure determined by porosity and particle size will directly affect the remediation efficiency of thermal treatment on contaminated soil. To investigate capability continuous wave laser soil technology soils with different structures, this paper establishes a heat mass transfer model within unsaturated porous media under irradiation. Four structures were simulated, model’s reliability was experimentally validated. Under irradiation, energy exchange between solid gas...
This study presents what we believe to be the first Pr:YLF laser that directly generates a visible-band triple-wavelength double-pulse laser. A theoretical model was developed elucidate mode oscillation mechanism, integrating step-loss control with gain modulation across modes. The maximum output achieved 76 mW, 12.3% slope efficiency at 10 kHz for (604, 607, and 639 nm) master slave pulse widths were 162 ns 241 ns, respectively, an adjustable interval of 30–40 µs. Simulation experimental...
In this paper, a multiple optical parametric oscillator based on MgO:APLN is reported. The polarization structure of and output coupler transmittance are optimized, with high repetition rate 200 kHz 1064 nm laser pumping. 1.57 μm 3.84 cross period parameters light can be achieved by single poled crystal for the first time. maximum average powers 2.4 W at 1.31 obtained, corresponding to optical-optical conversion efficiency 11.54% 6.25%, respectively. For phenomenon energy back appearing in...
The authors investigated the health effects of occupational exposures to vehicle emissions in 745 bus drivers, conductors, and taxi compared with 532 unexposed controls, Shanghai. Logistic regression general linear models were used examine relationship between exposure respiratory illness. Results showed that prevalences some symptoms chronic diseases significantly higher (p < 0.05) exposed group than controls. adjusted odds ratios for throat pain, phlegm, rhinitis, pharyngitis 1.95 (95% CI...
Alzheimer's disease (AD) is a leading cause of dementia in the elderly, with no effective treatment currently available. Transcranial direct current stimulation (tDCS), non-drug and non-invasive therapy, has been testified efficient cognitive enhancement. This study aims to examine effects tDCS on brain function mouse model AD. The amyloid precursor protein (APP) presenilin 1 (PS1) transgenic mice (7-8 months old) were subjected 20-min anodal cathodal (atDCS ctDCS; 300 μA, 3.12 mA/cm2) for...
We adopt a compact intra-cavity pumped structure of Nd:YAG and Nd:YVO4 crystals to develop an efficient dual-wavelength laser that operates at 946 nm 1064 nm. A 808 diode is used pump the crystal, which emits nm, In order avoid unnecessary light passing though reaching crystal having impact on cavity pump, two are placed as far from one another possible in this experiment. The output power can be adjusted 1 W–2.9 W by varying separation between crystals. total 4 dual-wavelengths achieved...