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本文将整个受激拉曼散射光谱所处的频率区间划分成许多个小频率区间,处在每个小频率区间内的拉曼光可以分别看成一个个单独的泵浦源,这些泵浦源各自独立的按照拉曼增益曲线g(w)放大或吸收频率小于或大于它们的频率的所有拉曼光。利用Runge-Kuta方程,我们计算出受激拉曼散射光谱,stokes光谱能量红移以及受激拉曼散射光谱的峰值光强、泵浦光强与光纤长度的关系。
In this paper, the frequency range of the entire stimulated Raman scattering spectrum is divided into many small frequency intervals. The Raman light in each small frequency interval can be considered as a separate pump source. These pump sources Each independently amplifies or absorbs all Raman light with a frequency less or greater than their frequency in accordance with the Raman gain curve g (w). Using the Runge-Kuta equation, we calculate the peak intensity of the stimulated Raman scattering spectrum, the stokes spectral energy redshifts, and the stimulated Raman scattering spectra, and the relationship between the pump light intensity and the fiber length.