高次波型耦合 higher mode coupling 高次谐波 harmonics of higher order ;high order harmonics ;higher harmonic ;higher harmonics ;upper harmonic 高次转变 higher order transition ..
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The possible influence of nonuniform gaseous medium on high order harmonics generated by femtosecond laser is discussed.
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。
The errors caused by omission of the high-order harmonics are calculated and a reasonable selection of pulse number is discussed also.
还计算了因忽略很高次数的谐波而造成的误差，论述了合理的脉数选择。
Two facts are found: (1) For the given laser pulse, the tighter the potential bound the electron, the difficulter scattering harmonics extends to high order;
结果发现：（1）对一定强度和频率的激光脉冲，紧束缚的势场抑制高次谐波的产生；
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