机械感生可调谐长周期光纤光栅的特性研究  

Research of Mechanically-induced Tunable Long Period Fiber Gratings

作　　者：姜明顺[1] 冯德军[2] 隋青美[1] 

机构地区：[1]山东大学控制科学与工程学院,济南250061 [2]山东大学信息科学与工程学院,济南250061

出　　处：《半导体光电》2009年第2期183-186,共4页Semiconductor Optoelectronics

基　　金：山东省自然科学基金项目(Z2006G06);山东省中青年科学家奖励基金项目(2006BS01001)

摘　　要：在耦合模理论分析的基础上,利用机械线加工技术设计周期性压力槽,基于机械感生原理写制了可调谐长周期光纤光栅(LPFG)。设计周期性压力槽的周期为600μm,周期数60,长周期光纤光栅最大谐振峰值损耗可达18 dB,通过改变压力槽与光纤之间的夹角实现了谐振波长可调范围不小于12 nm,并实验研究了LPFG的压力和温度特性。制作的长周期光纤光栅具有谐振波长和峰值损耗均可调谐、成本低以及可擦除等优点。Based on the analysis of coupler mode, tunable long period fiber gratings （LPFGs） were mechanically fabricated using periodic pressure grooves. The periode of the periodic pressure grooves is 600 μm, with the grating period number of 60. Fabricated LPFGs＇ maximal resonant peak is up to 18 dB and the range of tunable resonance wavelength exceededs 12 nm by adjusting the angle between fiber and grooved plate. The pressure and temperature characteristics of the fabricated LPFGs were experimentally studied. The fabricated LPFGs have some advantages, such as tunable resonant peak loss and resonant wavelength, low cost, high erasability, et al.

关 键 词：长周期光纤光栅 可调滤波器 耦合系数 周期性压力槽 

分 类 号：TN253[电子电信—物理电子学]