Based on the theoretical analysis of the principle of the FBG current measurement, the magnetostrictive effect of GMM, and the interrogation technology of twin-core fiber filter are introduced.
在介绍超磁致伸缩材料的磁致伸缩效应、光纤光栅检测电流原理以及双芯光纤滤波器解调原理的基础上，借助超磁致伸缩材料和光纤光栅等构建了电流测量单元。
A comb-filter based on Mach-Zehnder interferometer (MZI) is experimentally fabricated by splicing a section of single mode twin-core fiber (TCF) between two single mode fibers (SMFs).
通过将一根单模双芯光纤熔接在两根单模光纤之间，实验制得全光纤马赫曾德尔干涉仪型梳状滤波器。
The variation rules of coupling-length with both wavelength and air holes have been found:for a given twin-core photonic fiber, coupling-length decreases with increasing wavelength;
分析了耦合长度随光波长、孔半径变化的一般规律；当双芯光子晶体光纤的结构一定时，耦合长度随波长增大而减小；
The variation rules of coupling-length with both wavelength and air holes have been found:for a given twin-core photonic fiber, coupling-length decreases with increasing wavelength;
分析了耦合长度随光波长、孔半径变化的一般规律；当双芯光子晶体光纤的结构一定时，耦合长度随波长增大而减小；
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