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本文对GaAs及ZnSe输出腔镜的热透镜效应进行了实验研究和理论分析.用凹面输出腔镜对热透镜效应进行了补偿,使高功率快速流动横向电激励CO2 激光器的光束质量得到了提高.
Compressed ultrafast photography (CUP) is the fastest single-shot passive ultrafast optical imaging technique, which has shown to be a powerful tool in recording self-luminous or non-repeatable ultrafast phenomena. However, the low fidelity of image re