A5101941730- Solid State Laser Technologies
- Advanced Fiber Laser Technologies
- Photorefractive and Nonlinear Optics
- Laser Design and Applications
- Photonic Crystal and Fiber Optics
- Photonic and Optical Devices
- Laser-Matter Interactions and Applications
- Orbital Angular Momentum in Optics
- Laser Material Processing Techniques
- Optical Systems and Laser Technology
- Adhesion, Friction, and Surface Interactions
- Semiconductor Lasers and Optical Devices
- Surface Roughness and Optical Measurements
- Optical measurement and interference techniques
- Ocular and Laser Science Research
- Particle Accelerators and Free-Electron Lasers
- Surface Modification and Superhydrophobicity
- Optical Coatings and Gratings
- Image Processing Techniques and Applications
- Engineering Applied Research
- Optical Wireless Communication Technologies
- Plant Surface Properties and Treatments
- Sperm and Testicular Function
- Advanced Fiber Optic Sensors
- Industrial Technology and Control Systems
Changchun University of Science and Technology
2010-2024
Chongqing University of Science and Technology
2024
Xi'an Polytechnic University
2010
Abstract In view of the advantages 1.6‐μm laser, it has important applications in fields laser radar, industry, military, and optical communication. This paper mainly focuses on Er: YAG solid‐state‐laser for Laser Radar. The references about pulsed single‐longitudinal‐mode continuous wave seed Q‐switched amplifier are collected analyzed. development status is introduced, main problems identified, future direction clarified. Maybe, this can provide a reference other scholars.
Since the discovery of frequency doubling phenomenon in 1960s, there has been a continuous emergence solid-state lasers with varying wavelengths. Technological advancements have facilitated generation various types ultraviolet by employing diverse crystals and pump sources. Ultraviolet find widespread applications processing, microelectronics, grating fabrication, beyond. This article presents comparative analysis strengths weaknesses different lasers, explores wavelengths achieved through...
We examined a 1514 nm eye-safe passively Q-switched self-optical parametric oscillator. The nonlinear crystal is an a-cut Nd:MgO:PPLN crystal, and the size of was 6 mm × 2 30 with 0.4 at.% Nd3+ doped grating period 29.8 μm. When absorbed 12.8 W, output maximum single-pulse energy reached 39 μJ, pulse width 6.1 ns at repetition rate 5.4 kHz obtained. peak power kW, giving slope efficiency 42%.
An innovative electro-optic (EO) Q-switch technology in 1064nm and 1319nm dual-wavelength operation of a Nd:YAG laser is illustrated. Output energy 4.6mJ pulse width 400ns for output 8.7mJ 80 ns 1319 nm are achieved simultaneously at the repetition rate 1 Hz pumping voltage 750 V by using this bias Q-switched-technology when on LiNbO3 crystal 2254 V. The strong line 1064 Q-switched inhibited efficiently.
We report an experimental study on a double-arched LD array stagger pumped electro-optic Q-switched Nd:YAG laser without water cooling by using convex-concave compensate resonator. Perfect matching of the gain field inside rod and fundamental mode cavity is made this structure. When repetition rate 20 Hz, A maximum output energy at 1064 nm wavelength 176 mJ (M2 = 1.55) 9.6 ns FWHM pulse width in Q-switch operation obtained with injection current 120 A. The optical-optical conversion...
In a multi-optical parametric oscillator by pulse pumping, energy conversion process for 1.57 μm and 3.84 light can be expressed time-dependent wave equations. The split-step integration method is used to solve the By analyzing simulation results of output waveform amplifier, it confirmed that back mode competition are important factors affecting oscillation. in an external cavity simulated under different mirror transmittances, crystal working lengths lengths. efficiency increase with...
This paper addresses the thermal instability of lasers resulting from effects 2 µm gain medium, proposing what we believe to be a novel compensation scheme that integrates machine learning technology with multi-segment bonded Tm: YAG crystals and negative lenses, based on focal length model thick lens. approach significantly optimizes facilitates rapid assessment light-emitting behavior trends lasers. Firstly, conventional is analyzed. An apparently new for lenses established thin lens...
A high-power all-fiber ytterbium-doped picosecond fiber laser was developed using the main oscillation power amplification (MOPA) structure. The seed source based on a novel two-dimensional perovskite material ((CH3NH3) PbI3) as saturable absorber, achieving stable with center wavelength of 1063.8nm, repetition frequency 18.51MHz, linewidth 5nm, and average 10.56mW. Based this, four-stage pre-amplification one-stage were used to achieve pulsed output. is 1064.7nm, 8nm, pulse width 17.2ps,...