refractive index modulation meaning in English

折射率灯

Based on these , we get the simulation results of reflect spectrum , and analyze the characteristics of fiber bragg grating of a constant refractive index modulation and period
分别采用耦合模和转移矩阵法对bragg光纤光栅和切趾光栅的反射光谱进行数值模拟仿真,并分析了光栅反射光谱的特性。
The recording characteristics of the material are discussed in detail in terms of sensitivity , diffraction efficiency , bragg angle , refractive index modulation ( an ) and so on
通过在材料中记录无倾斜光栅，研究了该材料的全息存储特性(包括衍射效率，灵敏度，动态范围，折射率调制度，角度选择性等) 。
Furthermore , we analyze fiber bragg grating of a constant refractive index modulation and period , found the coupled - mode equations that describe interactions between the forward - propagating guided core mode and the backward - propagating guided core mode itself
并用耦合模理论对最简单的均匀光纤布拉格光栅进行分析，建立其耦合模方程，并给出解析解。