后焦距测量
Back focal length measurement
以上为机器翻译结果,长、整句建议使用 人工翻译 。
实验测量了经单一锗透镜聚焦后的CO_2激光束的腰斑半径和位置,同时确定了聚焦锗透镜的焦距,其结果与实际情况一致。
The radius and position of waist spot of CO2 laser beam focused by a single Ge lens were measured experimentally, and the focal length of the Ge lens was determined. The result is in agreement w...
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