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1·The results show that it is a relatively simple and exact method for using transfer function method to deal with the optical waveguides with graded refractive index profile.

结果表明用传递函数方法处理折射率渐变分布的光波导问题，计算相对简单，可以得到精确的数值结果。

2·This analysis model is available for the design of step drift doping profile RESURF device and linearly-graded drift RESURF device.

该模型可用于薄外延阶梯掺杂和线性掺杂漂移区RESURF器件的设计优化。