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讨论了气体介质的非均匀性对飞秒激光高次谐波产生过程的可能影响 .计算结果表明 ,采用喷阀技术所提供的气体介质的密度梯度和气体原子运动速度的影响很小 ,不会产生实验上可观测的效果 .这一结果支持了喷气靶在高次谐波产生中的广泛应用
The possible influence of gas medium heterogeneity on the generation of femtosecond laser high harmonics is discussed.The results show that the density gradient of gas medium and gas atom velocity provided by spray valve technology have little effect, Produces experimentally observable effects This result supports the widespread use of jet targets in the generation of higher harmonics