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High-frame-rate observation of single femtosecond laser pulse propagation in fused silica using an echelon and optical polarigraphy technique

机译:使用梯形和光学极谱技术高倍率观察单飞秒激光脉冲在熔融石英中的传播

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摘要

We have demonstrated high-frame-rate observations of a single femtosecond laser pulse propagating in transparent medium using the optical polarigraphy technique and an echelon. The echelon produced a spatially encoded time delay for the probe pulse to capture directly four successive images of an intense propagating pulse with picosecond time interval and femtosecond time resolution. Using this method, we observed the propagation process of a single femtosecond laser pulse in fused silica. The influence of pulse-energy fluctuation on the spatial and temporal distribution of the single laser pulse was visualized using the single-shot measurements. (C) 2014 Optical Society of America
机译:我们已经证明了使用光学极谱技术和梯队在透明介质中传播的单个飞秒激光脉冲的高帧频观察结果。阶梯为探针脉冲产生了空间编码的时间延迟,以皮秒时间间隔和飞秒时间分辨率直接捕获强传播脉冲的四个连续图像。使用这种方法,我们观察到了一个飞秒激光脉冲在熔融石英中的传播过程。脉冲能量波动对单个激光脉冲的时空分布的影响可以通过单次测量来观察。 (C)2014年美国眼镜学会

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