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在远至３３ｍ处测量了高平均功率高重复频率ＴＥＡＣＯ２激光器输出光束光强的远场二维分布，用Ｍ２因子理论对光束质量进行了评价，获得了该激光束腰斑半径、远场发散角、Ｍ２因子等参数。
The far-field two-dimensional distribution of the output beam intensity of TEACO2 laser with high average power and high repetition rate was measured as far as 33 m. The beam quality was evaluated by M2 factor theory. The waist radius, divergence angle , M2 factor and other parameters.