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介绍在光子晶体光纤(PCF)中写入长周期光栅(LPG)的几种方法,研究基于PCF的LPG的传输特性及其与光栅结构的关系,分析了基于PCF的LPG的温度、应力特性和对环境材料折射率的不敏感性。
Several methods for writing long period gratings (LPGs) in photonic crystal fiber (PCF) are introduced. The transmission characteristics of LPFs based on PCFs and their relationship with grating structures are investigated. The temperature and stress characteristics of PCFs Insensitivity to the refractive index of environmental materials.