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文章针对轴对称折叠-组合腔CO2激光器在失调运行时输出光束的近场分布进行了分析,前提是有两个凹面反射镜失调,而假设的这种失调具有较普遍的代表意义。分析表明:在凹面镜失调数目及失调角度都较小的情况下,近场光束依然可以利用。
The paper analyzes the near-field distribution of the output beam of an axially symmetric Fold-Combine Cavity CO2 laser when it is out of order, provided that there are two concave mirrors out of alignment, and the assumed mismatch is of more general significance. The analysis shows that the near-field light beam can still be used in the condition that the number of misalignment of the concave mirror and the misalignment angle are both small.