We designed and investigated a passive synchronized mode-locked fiber laser.The device utilizes a dual-cavity structure driven by the nonlinear polarization rotation(NPR)mechanism.Stable mode-locking is attained by sy...We designed and investigated a passive synchronized mode-locked fiber laser.The device utilizes a dual-cavity structure driven by the nonlinear polarization rotation(NPR)mechanism.Stable mode-locking is attained by synergistically controlling gain,polarization state,and optical path length in two symmetric sub-cavities.Experiments proved that repetition rate of the sub-cavities can be adjusted via the time delay line(TDL)to achieve synchronized mode-locking.The system stably generates multi-wavelength pulses at a single repetition frequency,evidenced by multiple spectral peaks and equidistant pulse sequences.These findings facilitate the development of high-performance multi-wavelength ultrashort pulse sources,crucial for optical communications,spectral analysis,and remote sensing.展开更多
针对现有变电站仿真培训系统存在的故障仿真不足、缺乏现场感以及考核方式简单的问题,以110 k V变电站为仿真对象,利用Unity3D完善的交互功能和HTC vive强大的硬件支持,搭建了沉浸式变电站故障仿真系统。首先用3DMAX软件建模,然后将模...针对现有变电站仿真培训系统存在的故障仿真不足、缺乏现场感以及考核方式简单的问题,以110 k V变电站为仿真对象,利用Unity3D完善的交互功能和HTC vive强大的硬件支持,搭建了沉浸式变电站故障仿真系统。首先用3DMAX软件建模,然后将模型导入Unity3D中,再利用Steam VR插件设定沉浸式交互场景,并将设备和故障信息存入My SQL数据库,开发了学员考核模块。该系统实现了变电站沉浸式培训和学员故障考核的功能。系统开发过程中,HTC vive硬件平台的引入为学员培训带入了沉浸感,激发了学员学习热情,提升了培训效率;考核模块的设计,完善了系统考核评价功能,为学员学习提供了评判依据。展开更多
文摘We designed and investigated a passive synchronized mode-locked fiber laser.The device utilizes a dual-cavity structure driven by the nonlinear polarization rotation(NPR)mechanism.Stable mode-locking is attained by synergistically controlling gain,polarization state,and optical path length in two symmetric sub-cavities.Experiments proved that repetition rate of the sub-cavities can be adjusted via the time delay line(TDL)to achieve synchronized mode-locking.The system stably generates multi-wavelength pulses at a single repetition frequency,evidenced by multiple spectral peaks and equidistant pulse sequences.These findings facilitate the development of high-performance multi-wavelength ultrashort pulse sources,crucial for optical communications,spectral analysis,and remote sensing.
