摘要
对具有倾角的光纤光栅的反射特性进行了研究 .得到了耦合系数随倾角变化的关系式 .随着倾角的增大 ,耦合系数会减小 ,反射谱的中心波长会向长波长方向移动 ,而反射谱的形状不发生改变 .
In this paper, we investigate the reflective spectral response of a optical fiber tilted grating structure with the coupled wave equation. Because the period of fiber tilted grating is larger than that of non tilted grating, the central wavelength of reflectivity is shifted to long wavelength side.
出处
《光通信研究》
北大核心
2000年第4期49-51,共3页
Study on Optical Communications
关键词
光纤光栅
反射特性
耦合波方程
倾角
fiber tilted grating
reflection property
coupled wave equation
