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光栅中的电磁场是哈密尔顿系统,利用其中存在守衡量的特性可以得出色散与反射系数间的简单关系,进而分析出光栅所固有的一些谱特性。
The grating in the electromagnetic field is Hamiltonian system, the use of which there is a balance of the characteristics of the dispersion can be obtained and the reflection coefficient between the simple relationship between, and then analyze some of the grating inherent spectral characteristics.