- Laser Material Processing Techniques
- Solid State Laser Technologies
- Advanced Surface Polishing Techniques
- Advanced Fiber Laser Technologies
- Nonlinear Optical Materials Studies
- Laser Design and Applications
- Photonic and Optical Devices
- Photonic Crystals and Applications
- Ocular and Laser Science Research
- Advanced MIMO Systems Optimization
- 2D Materials and Applications
- Surface Roughness and Optical Measurements
- Laser-Matter Interactions and Applications
- Diamond and Carbon-based Materials Research
- Advanced Photonic Communication Systems
- Electrodeposition and Electroless Coatings
- Luminescence Properties of Advanced Materials
- Dendrimers and Hyperbranched Polymers
- Opportunistic and Delay-Tolerant Networks
- Optical Coatings and Gratings
- Telecommunications and Broadcasting Technologies
- Advanced Optical Sensing Technologies
- Photonic Crystal and Fiber Optics
- Photorefractive and Nonlinear Optics
- Wireless Networks and Protocols
Nanjing Institute of Technology
2022-2025
Hebei University of Technology
2021-2024
University of Science and Technology Beijing
2024
Tianjin University of Technology
2022-2023
Southeast University
2023
Abstract Micro‐optical components exhibit significant potential applications in various fields such as imaging, optical fiber communication, and aerospace owing to their small size, light weight, flexible design. It is imperative fabricate micro‐optical on hard brittle materials improve stability broaden the transmission range. Therefore, femtosecond laser processing technology demonstrated be an efficient strategy for preparing refractive/diffractive compared other established...
Abstract The excellent characteristics of transparent hard materials such as high hardness, transparency, corrosion resistance, and temperature resistance enable their applications in microfluidic substrates even harsh environments. Microchannels are important parts systems, the preparation microchannel structures deserves further in‐depth study. traditional processing method is contact with large thermal influence low efficiency, so it impossible to obtain complex microchannels quality...
Laser shock peening (LSP) is a novel laser surface treatment technology that rapidly being developed and widely exploited in various industries, including aerospace, nuclear, biomedical. In the last few decades, there have been large number of theoretical experimental studies LSPs. The demand for LSP processing steadily increasing. There growing aspiration to achieve more uniform residual stress layer broaden its influence across wider range. Simultaneously, efforts are underway overcome...
Infrared lasers have an extensive range of applications in sensing, detection, communication, medicine, and other fields. The principle directly pumping solid-state is simple, it can easily achieve high-power high-efficiency laser output, which one the important means to obtain infrared lasers. Incorporating rare earth ions into substrate as gain medium for alter their optical performance further enhance laser. Lasers based on ion doping a small volume, high conversion efficiency, good beam...
The aerospace sector requires materials, particularly aluminum all, to possess advanced mechanical properties for aircraft skins. Consequently, the industry implements protective coatings counteract erosion and abrasion. Yet, as time progresses, these can degrade, prompting careful paint removal extend longevity of aircraft. This research investigates methods improve laser cleaning efficiency while safeguarding quality. It utilizes a nanosecond pulsed assess factors such energy, angle,...
Abstract Based on a 4 f system, 0° reflector and single laser diode side-pump amplifier, new amplifier is designed to compensate the spherical aberration of amplified generated by enhance power laser. Furthermore, role system in passive compensation its effect are discussed detail. The results indicate that amplification efficiency enhanced incorporating double-pass placing only at focal point single-pass This method also effectively uses heat from gain medium (neodymium-doped yttrium...
Target detection helps to identify, locate, and monitor key components potential issues in power sensing networks. The fusion of infrared visible light images can effectively integrate the target indication characteristics rich scene detail information images, thereby enhancing ability for equipment complex environments. In order improve registration accuracy feature extraction stability traditional algorithms an image method based on improved SIFT algorithm is proposed. preprocessed a...
Abstract This work demonstrates the generation of short pulse duration and high-beam-quality laser pulses using transient stimulated Brillouin scattering at a high repetition rate. Thermal effects optical breakdown are identified as main factors that restrict energy reflectivity beam quality under rates situations. Through experimental analysis, interaction length focal point size determined to be key parameters in reducing thermal effect by absorption medium. The obtained results show with...
The stimulated Brillouin scattering (SBS) effect, a new approach to the combination of solid-state lasers, can be actualized via coherent synthesis. In this paper, laser based on SBS passive phase locking, utilizing master oscillator power amplifier (MOPA) structure at front end provides amplification Stokes light subsequently generated. order reduce influence thermal effects beam quality, beam-split has been adopted with same locking used by back injection pulse. With advantage combined...
Compact photonic devices are highly desired in integrated circuits. In this work, we use an efficient inverse design method to a 50/50 beam splitter lithium niobate platforms. We employ the Gradient Probability Algorithm (GPA), which is built upon traditional gradient algorithms. The GPA utilizes adjoint for comprehensive calculation of electric field across entire area single iteration, thereby deriving area. This enhancement significantly accelerates algorithm’s execution speed. simulation...