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。
People have paid more attention to the graded-index optical waveguides formed by ion-exchanged for its easy fabrication and low transmission loss.
目前，已有多种成熟的工艺技术，特别是离子交换技术，可以制备低损耗的渐变型折射率波导。
People have paid more attention to the graded-index optical waveguides formed by ion-exchanged for its easy fabrication and low transmission loss.
目前，已有多种成熟的工艺技术，特别是离子交换技术，可以制备低损耗的渐变型折射率波导。
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