双频激励下受激拉曼散射的谱分布
Bandaoti Guangdian/Semiconductor Optoelectronics(2011)
Abstract
假设介质是中心对称的,并考虑入射场与感应场同介质相互作用,在经典力学框架内,把介质的运动方程化为双频激励下的Duffing方程,用多尺度法揭示了拉曼谱的复杂结构.分析了系统的倍频共振和组合共振.结果表明,在拉曼线两侧出现了很多伴线,而且这些伴线的强度是彼此不同的;指出了可以利用共振效应,通过适当的参数选择或介质选择就可获得强的激光输出.
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Key words
Duffing equation,Multi-scale techniques,Resonance,Stimulated Raman scattering
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