The Dual-parameter Sensor Based on the SMS Fiber Structure with an Off-axis Welding

被引：4
|
作者：
Liu, Yanan [1 ]
Peng, Shijun [1 ]
Li, Baoyong [1 ]
Zhang, Jianzhong [1 ]
机构：
[1] Harbin Engn Univ, Sch Sci, Harbin 150001, Heilongjiang, Peoples R China
来源：
THIRD ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2012年 / 8351卷
关键词：
Fiber optics; multi-mode fiber; strain measurement; temperature measurement; MULTIMODE-INTERFERENCE; GRATING SENSOR; FIZEAU INTERFEROMETER; OPTICAL-FIBER; TEMPERATURE; STRAIN; DISCRIMINATION; WRITTEN; SYSTEM;
D O I：
10.1117/12.915441
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 novel sensing scheme to measure strain and temperature simultaneously by using an off-axis single mode-multimode-single mode (SMS) fiber optical structure is proposed in this article. The dual-parameter measurement is achieved based on the obviously different strain and temperature responses of two loss peaks in the off-axis SMS transmission spectrum. In experimental, the sensitivities value of temperature and Strain of two loss peaks are measured to -8.2pm/mu epsilon, -2.3 pm/mu epsilon and 41.2pm/degrees C, 16.0pm/degrees C, respectively.
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页数：8
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