Influence of Humidity on Fiber Bragg Grating Sensors

被引：4
|
作者：
Montero, Ander [1 ]
Aldabaldetreku, Gotzon [2 ]
Durana, Gaizka [2 ]
Jorge, Iagoba [1 ]
Saez de Ocariz, Idurre [1 ]
Zubia, Joseba [2 ]
机构：
[1] Aeronaut Technol Ctr CTA, Minano 01510, Alava, Spain
[2] Univ Basque Country, Fac Engn, Dept Commun Engn, UPV EHU, Bilbao 48013, Spain
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2014年 / 2014卷
关键词：
D O I：
10.1155/2014/405250
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate the influence of the relative humidity (RH) on the wavelength of fiber Bragg grating sensors (FBGS), performing tests with five FBGS at different humidity and temperature conditions. These tests were performed in a climate chamber whose RH changes according to a scheduled profile from 30% to 90%, in steps of 10%. These profiles were repeated for a wide range of temperatures from 10 degrees C to 70 degrees C, in steps of 10 degrees C. Two different types of instrumentation methods have been tested, spot welding and epoxy bonding, in two different materials, steel and carbon fiber reinforced polymer (CFRP). We discuss the results for each type of sensor and instrumentation method by analyzing the linearity of the Bragg wavelength with RH and temperature.
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页数：8
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