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采用液晶超薄涂覆层的双包层光纤模型,利用耦合模理论对长周期光纤光栅涂覆层折射率、温度特性进行研究,并通过实验和计算机模拟,得出长周期光纤光栅透射谱谐振波长于超薄涂覆层折射率及温度的关系。
The double-clad fiber model of liquid crystal ultra-thin coating was used to study the refractive index and temperature characteristics of long-period fiber grating coatings by using the coupled-mode theory. The experimental results and computer simulations show that the transmission grating resonance of long-period fiber gratings Relationship between wavelength and refractive index and temperature of ultrathin coating.