Pulse waveform real-time precision measurement technique for multi-beam high repetition frequency all fiber laser system
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摘要: 提出了一种基于时分复用的多束高重复频率全光纤激光脉冲时间波形实时精密测量技术，针对分类成组的多束高重复频率全光纤激光系统不同测量功能需求，分别设计了18时分复用器、不同延时量的12时分复用器，实现了48路、144个1 kHz光纤激光整形脉冲时间波形宽度、上升沿、面积等关键参数的精密测量，同时实现了多束高重复频率全光纤脉冲激光系统运行状态的实时监测。Abstract: The laser pulse waveform real-time precision measurement technology based on time division multiplexing (TDM) was developed for all fiber multi-beam high repetition frequency laser system. According to the characteristic of the system, we designed a kind of 18 optical time division multiplexer and a kind of 12 optical time division multiplexer with different time delay. Also we experimentally demonstrated the technology in the system, the results show that the pulse duration, pulse energy and rise time could be accurately measured, and meanwhile the system working status could be inspected in real time.
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