以下为句子列表:
英文: In the two-photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four-wave mixing, and the medium shows strong optical power limiting effect.
中文: 在双光子共振情况下,即入射脉冲频率等于1、3能级之间的共振频率的一半,由于介质中放大的自发辐射和四波混频的作用,部分入射脉冲能量转化为高频和低频电场成分的能量,分子介质表现出了很强的光功率限幅特性。
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