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arXiv 1406.0171physics.optics
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时域相干反斯托克斯拉曼散射的光谱模型

Spectral model of time-domain coherent anti-Stokes Raman scattering

Michele Marrocco

摘要:

我们表明,越来越流行的非线性光学技术的时域相干反斯托克斯拉曼散射(CARS),这通常是理解的半经典的时间相关的三阶偏振,可以同样解释的Yuratich方程的时间延迟版本,所以流行在传统的频域CARS。该方法揭示了CARS时间迹线和延时CARS线型对探测激光电场谱包络的强烈依赖性。实例分析表明,否则只通过数值方法处理的实验结果。

英文摘要:

We show that the increasingly popular nonlinear optical technique of time-domain coherent anti-Stokes Raman scattering (CARS), which is usually understood in terms of the semiclassical time-dependent third-order polarization, can be equally explained in terms of the time-delayed version of the Yuratich equation so popular in traditional frequency-domain CARS. The method brings out the strong dependence of CARS time traces and time-delayed CARS lineshapes on the spectral envelope of the probe laser electric field. Examples are analytically shown for experimental results that are otherwise treated by means of numerical methods only.

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