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An online inspection apparatus of optics damage in large scale laser facility is developed applying dark-field imaging technology. Experiments were carried out on a multi-pass amplifier.

利用暗场成像原理，研制成功一套应用于大型激光装置的光学元件损伤在线检测装置，并在多程放大系统上进行了实验研究。

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The stability of output energy is an important parameter for ultra-short laser facility.

输出能量的稳定性是超短脉冲激光装置的一个重要指标。

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As the leader of the experimental gravity group at Columbia, he is looking into what happens when two black holes or neutron stars merge in the distant universe, and is collaborating with the Laser Interferometer Gravitational Wave Observatory, a facility funded by the National Science Foundation and located in Louisiana and Hanford, Wash. that aims to detect cosmic gravitational waves.

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