The plane wave expansion method is used to analyze the photonic crystal, and is translated into the scope of the fiber Bragg gratings.
利用平面波展开法对光子晶体进行理论研究，将研究方法移植到光纤布拉格光栅上，并对其进行数值分析，得到光栅的传输特性。
The effect of hole size on nonlinearity and dispersion of the photonic crystal fiber(PCF) is analyzed by the plane wave expansion method.
采用平面波展开法，研究了气孔尺寸对光子晶体光纤色散特性和非线性的影响。
Group theory is introduced into the calculation of photonic band gap with the plane wave expansion method, and improved calculation formulae are derived.
介绍群论在光子晶体带隙平面波展开法计算中的应用，推导了改进后的算法公式。
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