本论文主要研究亚波长周期结构金属薄膜中的超传输现象和二阶非线性效应。
This thesis mainly shows the research of extraordinary optical transmission and second-harmonic generation from sub-wavelength structured metallic film.
实验表明光漂白能破坏有机聚合物中极化分子的取向稳定性，造成其二阶非线性效应衰减。
Experiments show that photo-bleaching can damage the orientation stability of polarized molecules in organic polymer and cause its second order nonlinear effect to attenuate.
通过理论分析和数值模拟研究了在双脉冲泵浦情况下的级联和频与差频的二阶非线性效应，探讨了走离效应对波长转换的影响。
Through theoretical analysis and numerical simulations, the walk-off effect between sum-frequency pulse and pump pulse caused by Group Velocity Mismatch (GVM) was discussed.
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