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将实验室现有的二次谐波(SHG)单次自相关仪和光谱仪结合起来,搭建了单次SHG-FROG测量设备(图1)。其基本原理是首先将入射光脉冲分为两束,其中一束作为探测光,另一束作为
The SHG-FROG single-shot spectrometer (Figure 1) was constructed by combining the laboratory’s existing second harmonic (SHG) single autocorrelator with a spectrometer. The basic principle is that the incident light pulse is first divided into two beams, one of which is used as the probe light and the other one is taken as