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给出了求一维缓变复折射率波导本征值的打靶法，它是对求一维实折射率波导本征值的打靶法的推广。利用它可以分析增益或损耗对ＴＥ和ＴＭ模式的影响，并给出了计算实例
The method to find one-dimensionally slowing eigen-value of complex refractive index waveguide is given. It is a generalization of the shooting method to find the eigenvalues of one-dimensional real refractive index waveguides. It can be used to analyze the effects of gain or loss on the TE and TM modes and gives examples of calculations