选择性填充光子晶体光纤的高灵敏温度传感Temperature Sensing Based on Selective-Filled PCF
尤承杰;施伟华;
摘要(Abstract)：
为了研制具有更高灵敏特性的温度传感器,文章提出利用光子带隙效应,在PCF(光子晶体光纤)中选择性填充热敏液体实现高灵敏温度传感。应用全矢量平面波展开法计算光纤带隙,带隙及其宽度随温度规律性漂移。当在包层空气孔中选择不同位置和结构填充热敏液体时,发现仅填充内层空气孔时,带隙随温度漂移造成的变化率最大。当在包层第一层空气孔中填充热敏液体,晶格周期Λ=9μm,空气填充率分别选取d/Λ=0.9和d/Λ=0.5时,带隙边界波长检测和带隙宽度检测的温度灵敏度分别可达到22.07和7.01nm/℃,具有精确度高和系统结构简单的优点。
关键词(KeyWords)： 光纤光学;光子晶体光纤;温度传感器;选择性液体填充;光子带隙
基金项目(Foundation):
作者(Author): 尤承杰;施伟华;
Email:
DOI: 10.13756/j.gtxyj.2016.01.017
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