Self - focusing and self - defocusing intensity dependence of the index of the nonlinear medium.

根据非线性折射率系数的符号,克尔介质分为自聚焦介质和自散焦介质两类.

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Experiments are performed using a CW tunable CO 2 laser and SF 6 gas as nonlinear medium.

使用可调谐连续波CO_2激光器和SF_6气体作非线性介质作了实验研究.

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