Pressure/Temperature Sensor Based on a Dual-Core Photonic Crystal Fiber

被引：0

作者：

Chen, Daru ^{[1
]}

Hua, Gufeng ^{[1
]}

Chen, Lingxia ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Inst Informat Opt, Jinhua 321004, Peoples R China

来源：

PASSIVE COMPONENTS AND FIBER-BASED DEVICES VIII | 2011年 / 8307卷

关键词：

Photonic crystal fiber; dual-core; mode coupling; pressure sensor; temperature sensor; fiber bending; ERBIUM-DOPED FIBER; SUPERCONTINUUM GENERATION; 40; GB/S; DISPERSION; DESIGN; OPTICS; LIGHT; MODULATION; PRESSURE; GRATINGS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A dual-core photonic crystal fiber (DC-PCF) is proposed for pressure/temperature sensing based on the mode coupling of the two fiber cores. The two solid fiber cores separated by an air hole in the cross-section lead to two independent waveguides inside the DC-PCF which accompany with mode coupling. Pressure/temperature sensor based on the DC-PCF is achieved when one fiber core on the input side is connected to a broadband light source and the other fiber core on the output side is connected to an optical spectrum analyzer. A pressure/temperature sensor based on the DC-PCF is designed with a transmission spectrum which is essentially sensitive to the pressure/temperature applied on the DC-PCF. As an example we design a pressure sensor based on a 10-cm DC-PCF for the sensing pressure range from 0 to 1000 MPa with a sensitivity of -3.47 pm/MPa, and a temperature sensor based on a 4-cm DC-PCF for the sensing temperature range from 0 to 1000 degrees C with a sensitivity of 20.7 pm/degrees C. The fiber bending analysis of the DC-PCF is also presented.

引用

页数：10

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