本征法布里-珀罗腔光纤压力传感器理论研究  

Theoretical Research of Intrinsic Fabry-Pérot Interferometric Fiber Pressure Sensor

作　　者：王宁 毛洁莹 朱化凤 

机构地区：[1]中国石油大学(华东)理学院,山东青岛266555

出　　处：《激光与光电子学进展》2012年第5期50-54,共5页Laser & Optoelectronics Progress

基　　金：山东省自然科学基金(ZR2010DQ015)资助课题

摘　　要：建立了光子晶体光纤(PCF)型本征法布里-珀罗(F-P)腔光纤压力传感器压力响应理论模型,讨论了各参数对压力响应灵敏度的影响,给出了Matlab程序理论模拟结果。鉴于PCF焊接工艺的困难,提出了利用外径不同的单多模光纤熔接构成的改进型单多模光纤复合本征F-P腔光纤压力传感器结构,建立了压力响应理论模型,分析了提高压力响应灵敏度的关键参数,并模拟了光纤外径对压力响应灵敏度的影响。通过对两种本征F-P腔光纤压力传感器的比较分析看出,改进型结构无论在压力响应灵敏度还是制作难易度方面都颇具优势。The theoretical model is established for photonic crystal fiber （PCF） intrinsic Fabry-Perot （F-P） interferometric fiber pressure sensor, and its pressure responsibility, related to several parameters, is also discussed with the results simulated by Matlab software. The improvement of single/multi-mode intrinsic F-P interferometric fiber pressure sensor is demonstrated by theoretical analysis, which is easier to fabricate. The structure is constructed by fusing single-mode fiber and multi-mode fiber with different diameters. The theoretical model of pressure response is also given. The key parameters concerned with pressure responsibility are analyzed with simulation curves. By the comparison between two kinds of sensors, the single/multi-mode intrinsic F-P interferometric fiber sensor is more attractive because of its high responsibility and simple fabrication.

关 键 词：光纤光学 光纤传感 压力 光子晶体光纤 本征法布里珀罗干涉 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]